Glossary

A - B - C - D - E - F - G - H - I - J - K - L -N - M - O - P - Q - R - S - T - U - V - W - X - Y - Z 14AF   14th Air Force 17th TS   17th Test Squadron 19SOPS   19th Space Operations Squadron 1-D   One dimensional 1SOPS   1st Space Operations Squadron 21LSS   21st Logistics Support Squadron 2-D   Two dimensional 2drms   Two times the standard deviation or Twice Distance Root Mean Square 2SOPS   2nd Satellite Operations Squadron 3-D   Three Dimensional 310SG   310 Space Group (AFRC) 4-D   Four Dimensional (3-D plus time) 50OSS   50th Operational Support Squadron 50SW   50th Space Wing 534TRS   534th Training Squadron 746TS   746th Test Squadron, Holloman AFB, NM 8A   Section 8A of the Small Business Action pertaining to minority and other disadvantaged business   --A--   A&T Acquisition and Testing A SPEC System Specification Aa Achieved Availability AAA Anti-aircraft artillery AB Air Base AB-3C Air-borne Command, Control and Communication ABAS Aircraft-based Augmentation Systems ABC Aerospace Basic Course ABCCC Airborne Battlefield Command and Control Center ABES Amended Budget Estimate Submission ABL Airborne Laser A/C Aircraft AC2ISRC Aerospace Command and Control, Intelligence, Surveillance and Reconnaissance Center ACAT Acquisition Category ACC Air Combat Command ACI Allocated Configuration Identification ACLS+ Automatic Carrier Landing System Plus ACO Acquisition Contracting Officer ACQ STRAT Acquisition Strategy ACS Agile Command Support; Active Control System; Assistant Chief of Staff ACSC Air Command and Staff College ACS/I Assistant Chief of Staff for Intelligence (Air Force) ACSN Advanced Changes Study Notice ACTD Advanced Concept Technology Demonstration ACU Antenna Control Unit ACWP Actual Cost of Work Performed A/D Analog/Digital converter ADA Department of Defense high order computer programming language ADC Analog to digital converter ADF Automatic direction finder ADI Attitude direction indicator ADM Acquisition Decision Memorandum; Advanced Development Mode ADP Automated Data Processing ADPE Automated Data Processing Equipment ADR Accumulated Delta Range ADS Automatic Dependent Surveillance AE Antenna electronics; Acquisition Executive AEF Aerospace Expeditionary Force AEP Architecture Evolution Plan AETC Air Education and Training Command AEW Aerospace Expeditionary Wing AF Air Force AFA Air Force Association AFAE Air Force Acquisition Executive AFALC Air Force Air Logistics Center AFB Air Force Base AFCA Air Force Communications Agency AFCC Air Force Communications Command AFCAIG Air Force Cost Analysis Improvement Group AFCS Air Force Corporate Structure AFDD Air Force Doctrine Document AFFSA Air Force Flight Standards Agency AFFTC Air Force Flight Test Center AFH Air Force Handbook AFI Air Force Instruction AFIT Air Force Institute of Technology AFMAN Air Force Manual AFMIA Air Force Manpower and Innovation Agency AFMC Air Force Materiel Command AFOTEC Air Force Operational Test and Evaluation Center AFOSI Air Force Office of Special Investigation AFP Air Force Pamphlet AFPEO Air Force Program Executive Officer AFPD Air Force Policy Directive AFPP Air Force Program Projection AFR Air Force Regulation AFRC Air Force Reserve Command AFRL Air Force Research Laboratory AFROC Air Force Requirements Oversight Council AFS Air Force Station AFSC Armed Force Staff College, Air Force Systems Command; Air Force Specialty Code AFSCN Air Force Satellite Control Network AFSOC Air Force Special Operations Command AFSPACE Air Force Component of U.S. Space Command (14th Air Force) AFSPACECOM Air Force Space Command AFSPC Air Force Space Command AFSSI Air Force System Security Instruction AFSST Air Force Space Support Team AFTAC Air Force Tactical Applications Center AF/TE Air Force/Test and Evaluation AFTO Air Force Technical Order AF/XOO Air Force/Operations Directorate AGL altitude above ground level AGNS Advanced Global Navigation Simulator AGR Active Guard Reserve AHRS Attitude Heading Reference System Ai Inherent Availability AI Artificial Intelligence AIAA American Institute of Aeronautics and Astronautics AII Accuracy Improvement Initiative AIS Automated Information System AJ Anti-Jam ALC Air Logistics Center ALDT Administrative and Logistics Delay Time AMC Air Mobility Command AMCS Alternate Master Control Station AMP Acquisition Master Plan AMS Ascension Monitor Station AMSDL Acquisition Management Systems Data List AMTI Airborne Moving Target Indicator ANE Autonomous Navigation Emulator ANG Air National Guard ANSI American National Standards Institute ANTB Advanced Navigation Test Bed Ao Operational Availability AoA Analysis of Alternatives AO Action Office(r) AOC Auxiliary Output Chip; Aerospace Operations Center AOD Age of Data AOO Area of Operations AOR Area of responsibility AORP Airfield Obstruction Reduction Program AP Acquisition Plan AP/A/N/AF Aircraft Procurement (Appropriations), Army, Navy, Air Force APB Acquisition Program Baseline APL Approved Parts List APOM Amended Program Objective Memorandum APPN Appropriation APPS Analytical Photogrammetric Positioning System ARB Acquisition Review Board ARC Air Reserve Component ARGO Automatic Ranging Grid Overlay ARGUS Air-dropped Remote Ground Unattended Sensor ARNS Aeronautical Radio Navigation Service ARPA Advanced research Projects Agency ARSPACE Army Space Command ART Air Reserve Technician ARTS Automated Remote Tracking Station ARTY artillery A-S anti-spoofing (GPS) AS Air Station ASAF Assistant Secretary of the Air Force (Space) ASAT Anti-satellite ASC Aeronautical Systems Center (AFMC) ASD Assistant Secretary of Defense ASD (CCC&I) Assistant Secretary of Defense (Command, Control, Communications and Intelligence) ASD (FM&P) Assistant Secretary of Defense (Force Management and Personnel) ASD (LA) Assistant Secretary of Defense (Legislative Affairs) ASD (P&L) Assistant Secretary of Defense (Production and Logistics) ASD (RA) Assistant Secretary of Defense (Reserve Affairs) ASR Acquisition Strategy Report ATACMS Army Tactical Missile System ATC air target chart, Air Traffic Control ATCRBS Air Traffic Control Radar Beacon System ATE Automatic Test Equipment ATEC Army Test and Evaluation Center AT/FP Anti-Terrorism Program/Force Protection ATM Air Traffic Management ATO Air Tasking Order ATP Acceptance Test Procedure; Advanced Targeting Pods ATTD Advanced Technology Transition Demonstration AU Authorized User Aust. Australia Autonav Autonomous Navigation AVL Automatic Vehicle Location AWACS Airborne Warning and Control System AWC Air War College   --B--   B billion B SPEC Development Specification B&P Bid and Proposal BA Budget Authority; Budget Activity BAA Broad Agency Announcement BAC Budgeted Cost at Completion BAFO Best and Final Offer BALLISTICS Ballistic Missiles BBS Bulletin Board Service BCE Baseline Cost Estimate BCM Baseline Correlation Matrix (Air Force) BCWP Budgeted Cost for Work Performed BCWS Budgeted Cost for Work Scheduled BDD Burst Detection Dosimeter (NDS) BDI Battle damage indication BDP Burst Detection Processor (NDS) BDW Burst Detection W-sensor (NDS) BDY Burst Detection Y-sensor (NDS) BDX Burst Detection X-ray (NDS) BER Bit Error Rate BES Budget Estimate Submission BGSE Bus Ground Support Equipment BIT Built-in Test BITE Built-in Test Equipment BMCS Backup Master Control Station (MCS) BMD Ballistic Missile Defense BMDO Ballistic Missile Defense Organization BNA Boeing North American BOA Basic Ordering Agreement BOE Basis of Estimate BOOSTERS Space Launch Boosters BOS Base Operating Support BPPBS Biennial Planning Programming Budgeting System bps bits per second BRAC Base Realignment and Closure BTI Balanced Technology Initiative BUMCS Back-up Master Control Station BY Budget Year, Base Year   --C--   C Confidential C2 Command and Control C2SID Command and Control System Integration Division, Ft. Monmouth, NJ C2ISR Command and Control, Intelligence Surveillance and Reconnaissance C3 Command, Control, and Communications C3I Command, Control, Communications, and Intelligence C4 Command, Control, Communications and Computers C4I Command, Control, Communications, Computers, And Intelligence C4ISP Command, Control, Communications, Computers, And Intelligence Support Plan C4ISR Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance C&A Certification and Accreditation C SPEC Product Specification C/A Coarse/Acquisition (GPS) C/A Code Coarse/Acquisition code (GPS) CA California CAD Computer-Aided Design/dispatch CAE Component Acquisition Executive CAF Combat Air Forces CAGE Commercial and Government Entity CAIG Cost Analysis Improvement Group (OSD) CAINS Carrier Aircraft Inertial Navigation System CAIV Cost as an Independent Variable CALCM Conventional Air Launched Cruise Missile CALS Continuous Acquisition and Life Cycle Support CAMS Core Automated Maintenance System CAO Contract Administration Office CAR Command Assessment Review (AF); Configuration Audit Review CAS Close Air Support; Cost Accounting Standard; Contract Administration Services CAT Computer-Aided Testing CATM Computer-Aided Technical Management CAV Common Aerospace Vehicle CBA Cost Benefit Analysis CBD Commerce Business Daily CBMR Capabilities Based Munitions Requirements CBO Congressional Budget Office CBR Chemical, Biological, Radiological; Concurrent Budget Resolution CCAFS Cape Canaveral Air Force Station CCAS Cape Canaveral Air Station CCB Configuration Control Board CCDR Contractor Cost Data Reporting CCN Contract Change Notice; Configuration Change Notice CCS Command and Control System/Segment; Change Control Sheets CCW continuous carrier wave CDMA Code Division Multiple Access (GPS) CDR Critical Design Review CDRL Contract Data Requirements List CE Communications-Electronics CE, or CE/D Current Estimate; Concept Exploration/Definition Phase CEP circular error probable; Contract Estimating and Pricing CERES Center for Research Support CETS Contractor Engineering and Technical Services CFC Critical Future Capability CFE Contractor Furnished Equipment CFEN Contractor Furnished Equipment Notices CFSR Contract Funds Status Report CG Chairman's Guidance (JCS); Commanding General; Cruiser CGN nuclear powered cruiser CI Configuration Item CICA Competition in Contracting Act (1984) CID Commercial Item Description CIF Crew Information File CII Compatibility, Interoperability and Integration CINC Commander-in-Chief CINCCHAN Commander-in-Chief, Channel (NATO) CIO Chief Information Officer CIP Component Improvement Program; Critical Intelligence Parameter CISF Centralized Integrated Support Facility CITS Combat Information Transport System CJCS Chairman, Joint Chiefs of Staff CJCSI Chairman, Joint Chiefs of Staff Instruction CL Command Lead CLIN Contract Line Item CLS Contractor Logistics Support cm centimeter CM Configuration Management; Contract Management CMG Command Managers Guide CMP Configuration Management Plan CMS Command Management Seminar CNA Computer Network Attack CNASP Chairman's Net Assessment for Strategic Planning (JCS) CND Computer Network Defense; Cannot Duplicate CNE Computer Network Exploitation CNO Chief of Naval Operations CNS communications, navigation, surveillance CNS/ATM Communications, Navigation, Surveillance/Air Traffic Management CO Contracting Officer; Change Order; Commanding Officer; Colorado COCO Contractor Owned/Contractor Operated (Facilities) COCOM Combatant Command COD Cooperative Opportunities Document COE Common Operating Environment; Center of Expertise COG COEA Oversight Group (see ICM for AFI 10-601 for more information) COI Critical Operational Issues COMAFFOR Commander, Air Force Forces COMAFSPACE Commander, Air Force Space Command COMMINT Communications Intelligence COMOPTEVFOR Commander Operational Test and Evaluation Force (Navy) COMSEC Communications Security CONOPS Concept of Operations CONUS Continental United States COTR Contracting Officer's Technical Representative COTS Commercial Off-The-Shelf CP Command Post CPA Chairman's Program Assessment (JCS) CPAF Cost-Plus-Award Fee CPCA Camp Parks Communications Annex CPCI Computer Program Configuration Item C/PD Cost/Pricing Data CPFF Cost-Plus-Fixed Fee CPIF Cost-Plus-Incentive Fee CPIN Computer Program Identification Numbering CPO/CCPO (Consolidated) Civilian Personnel Office CPR Cost Performance Report CPSA Camp Parks Communications Annex CPT&E Computer Program Test & Evaluation CPU Central Processor Unit CR Cost Reimbursement; Continuing Resolution CRA Continuing Resolution Authority CRAG Contractor Risk Assessment Guide CRISD Computer Resources Integrated Support Document CRLCMP Computer Resources Life Cycle Management Plan CRD Capstone Requirements Document CRLCM Computer Resources Life Cycle Management CRPA Controlled Pattern Reception Antenna CRS Command Readout Station CRWG Computer Resources Working Group CRYPTO cryptographic C-SCAN Carrier System for Controlled Approach of Naval Aircraft CS Control Segment CSAF Chief of Staff, United States Air Force CSAR Combat Search and Rescue CSAT Constellation System Assessment Team CSC Computer Science Corporation CSCI Computer Software Configuration Item C/SCSC Cost/Schedule Control Systems Criteria CSE Common Support Equipment CSMI Cost Savings Modernization Initiative CSOC Consolidated Space Operations Center CSRD Communications Computer Systems Requirement Document CSS Contractor Support Services CSSO Computer Systems Security Officer C/SSR Cost/Schedule Status Report CTDU Crosslink Transponder Data Unit CTEA Cost and Training Effectiveness Analysis CTIS Combat Transport Information System CT2P Compliance through Pollution Prevention CTP Critical Technical Parameter CTS Colorado Tracking Station CUE Common User Element CVNS carrier navigation systems CVW cryptovariable weekly (GPS) CW continuous wave CWBS Contract Work Breakdown Structure CY Calendar Year   --D--   D SPEC Process Specification DAA Designated Approving/Accreditation Authority DAB Defense Acquisition Board DAC Defense Acquisition Circular DAE Defense Acquisition Executive DAES Defense Acquisition Executive Summary DAF Department of the Air Force DAGR Defense Advanced GPS Receiver DARC Defense Acquisition Regulatory Council DAS Data Acquisition System DASD Deputy Assistant Secretary of Defense DASR Digital Airport Surveillance Radar db decibel dBW decibels per watt DCAA Defense Contract Audit Agency DCMAO Defense Contract Management Area Operations DCMC Defense Contract Management Council DCMR Defense Contract Management Regions DCS Defense Communications System DD Destroyer DDL Delegation of Disclosure Authority Letter DDG Guided Missile Destroyer DDR&E Director; Defense Research and Engineering (OSD) DDDR&E (T&E) Deputy Director, Defense Research & Engineering (Test & Evaluation) DEFCON defense condition DEG degree DEM/VAL, D/V Demonstration/Validation Phase DEFSECDEF Deputy Secretary of Defense DESC Defense Electronic Supply Center D&F Determination and Findings DF direction finding DFARS DoD Federal Acquisition Regulation (FAR) Supplement DGNS Doppler GPS Navigation System DGNSU Doppler GPS Navigation System Upgrade (ACTD Asset) DGPS Differential Global Positioning System DGS Diego Garcia Tracking Station DHP Defense Health Program DIA Defense Intelligence Agency DIA/DI Defense Intelligence Agency/Director of Intelligence DIB Defense Industrial Base DID Data Item Description DII Defense Information Infrastructure DII COE Defense Information Infrastructure Common Operating Environment DIL Digital Integration Laboratory DIRLAUTH Direct Liaison Authorized DISA Defense Information Systems Agency (formerly DCA) DISAM Defense Institute of Security Assistance Management DISN Defense Information Systems Network DLA Defense Logistics Agency DLM Depot Level Maintenance DLT Data Link Terminal DMA Defense Mapping Agency DME distance measuring equipment DML Depot Maintenance Level DMO Defense Mobilization Order DMRS Distributed Mission Readiness System DMS Defense Materials System; Defense Message System DMSP Defense Meteorological Satellite Program DMT Distributed Mission Training DNA Defense Nuclear Agency DNSO Defense Network Systems Organization Do Operational Dependability DO Directorate of Operations DOA Dynamic Operational Assessment DoD Department of Defense DODD Department of Defense Directive DODI Department of Defense Instruction DODISS Department of Defense Index of Specifications and Standards DOE Department of Energy DOP Dilution of Precision DOT Department of Transportation DOT&E Deputy for Operational Test and Evaluation DOT&E Director, Operational Test and Evaluation (OSD) DPA Defense Production Act, Delegation Procurement Authority DPEM Depot Purchased Equipment Maintenance DPESO DoD Product Engineering Services Office DPF Defense Satellite Communications System (DSCS) Processing Facility DPG Defense Planning Guidance DPM Deputy Program Manager DPML Deputy Program Manager for Logistics DPRB Defense Planning and Resources Board DPRO Defense Plant Representatives Office DPS Decision Package Sets; Defense Priorities System DR dead reckoning; deficiency report DR Directorate of Requirements DRID Defense Reform Initiative Directive drms distance root-mean-square DRPM Direct Reporting Program Manager(s) DRU Direct Reporting Unit DSAA Defense Security Assistance Agency (OSD) DSB Defense Science Board DSCS Defense Satellite Communications Systems DSIS DCS Satellite Control Facility Interface System DSMAC Digital Scene Matching Area Correlation DSMC Defense Systems Management College DSN Defense Switch Network (DOD voice telephone net-formerly AUTOVON) DSP Defense Support Program; Defense Standardization Program DSRV/DSV Deep Submergence Vehicle DSSP Defense Standardization and Specification Program DSVL Doppler Sonar Velocity Log DT Developmental Testing DTC Design-to-Cost DT&E Developmental Test and Evaluation DTED Digital Training Elevation Data DTIC Defense Technical Information Center DTLCC Design-to-Life-Cycle Cost DTO Defense Technology Objectives DT/OT Developmental Test and Operational Test DTSE&E Directorate for Test Systems Engineering and Evaluation DTUPC Design to Unit Production Cost DV Distinguished Visitor DWCF Defense Working Capital Fund   --E--   E3 Electromagnetic environmental efforts E SPEC Materiel Specification EA Electronic Attack; Evolutionary Acquisition EAC Estimated Cost at Completion EAF Expeditionary Aerospace Force EAPROM Electrically Alterable Programmable Read-Only Memory EAR Engineering and Analysis Room EC Electronic Combat ECAC Electromagnetic Compatibility Analysis Center ECCM Electronic Counter-Countermeasures ECEF Earth-centered earth fixed (GPS) ECM Electronic Countermeasures ECP Engineering Change Proposal EDLM Emergency Depot Level Maintenance EDM Engineering Development Model EDP/E Electronic Data Processing/Equipment EEIC Element of Expense/Investment Code EELV Evolved Expendable Launch Vehicle EFIS Emergency Fault Isolation System EGI Embedded GPS/INS LRU (Line Replaceable Unit) EGIU Embedded GPS/INS LRU (ACTD Asset) EGR Embedded GPS Receiver EHF Extremely High Frequency EIA Environmental Impact Assessment EIAP Environmental Impact Analysis Program EIS Environmental Impact Statement EKMS Electronic Key Management System ELINT Electronic Intelligence EMC Electromagnetic Compatibility EMD Engineering & Manufacturing Development Phase EMI Electromagnetic Interference EMP Electromagnetic pulse EMSEC Emissions security EMV Electromagnetic Vulnerability EOA Early Operational Assessment EOD Explosive Ordnance Disposal EOL End of Life EOQ Economic Ordering Quantity EOW End of Week EP Electronic Protection EPA Environmental Protection Agency; Extended Planning Annex; Economic Price Adjustment EPG Electronic Proving Ground, Ft. Huachuca, AZ EPLRS Enhanced version of the Position Location EPROM Erasable Programmable Read-Only Memory ERAP Extended Range Artillery Projectile ERCM Extended Range Conventional Cruise Missile ERD Estimated Range Deviation ERU Equipment Replaceable Unit ES Electronic Support ESC Electronic Security Center; Electronic Systems Center (AMC) ESGN electrically suspended gyro navigation ESM Electronic Support Measures ETC Estimate to Completion ETR Estimated Time to Repair EU European Union EVCF Eastern Vehicle Checkout Facility EW Electronic Warfare EWA Electronic Warfare Support exp Exponential Function   --F--   F3/FFF Form-Fit-Function FAA Federal Aviation Administration FAADS Forward Area Air Defense System FAC Federal Acquisition Circular FAD Functional Analysis Document FANS Future Air Navigation System FAR Federal Acquisition Regulations; Federal Aviation Regulations FAT First Article Testing; Factory Acceptance Test FC Fixed Cost FCA Functional Configuration Audit FCC Federal Communications Commission FCRC Federal Contract Research Center FD Fault Detection FDE Fault Detection Equipment; Fault Detection and Exclusions FDP Full Dimensional Protection FDR Final/Formal Design Review FE Force Enhancement FFBD Functional Flow Block Diagram FFP Firm Fixed Price FFRDC Federally Funded R&D Center FFW Failure-Free Warranty FHA Federal Highway Administration FI Fault Isolation FIPS Federal Information Processing Standard/Systems FIT Fault Isolation Tree FITAS Future Integrated TT&C Architecture Study FITR Fork In The Road FL Florida FLTSATCOM Fleet Satellite Communication System FM Financial Management FMEA Failure Mode and Effects Analysis FMECA Failure Mode and Effects Criticality Analysis FMS Foreign Military Sales FOC Full Operational Capability FOIA Freedom of Information Act FoS Family of Systems FOT&E Follow-on Operational Test and Evaluation FOUO For Official Use Only FPAF Fixed Price Award Fee FPBD Functional Plan Block Diagram FPDS Federal Procurement Data System FPIF Fixed Price Incentive (Firm Target) FPIS Fixed Price Incentive (Successive Target) FQR Formal Qualification Review FQT Formal Qualification Test FRA Federal Railroad Administration FRACAS Failure Reporting, Analysis and Corrective Action System FRP Federal Radionavigation Plan FRPA Fixed Reception Pattern Antenna FSCM Federal Supply Code for Manufacturers FSD Fully Scale Development Phase (sometimes called Full Scale Engineering Development, FSED) - Obsolete, see EMD FSG Federal Stock Group FSM Firmware Support Manual; Facility Sustainment Model FSN Federal Stock Number FSQT Formal Segment Qualification Test FRP Federal Radionavigation Plan FSOC Fairchild Satellite Operations Center FSS Federal Supply Schedule FTD First Destination Transportation FTRAP Flying Training Requirements Analysis Program FUE First Unit Shipped FY fiscal year FYDP Future Years Defense Program (formerly Five Year Defense Program)   --G--   G&A General and Administrative GA Ground Antenna GaAs Gallium Arsenide GANS global access, navigation and safety GAO General Accounting Office GAS-1 GPS Antenna System -1 GAT Government Acceptance Test GATS Ground Antenna Test Simulator GATM Global Air Traffic Management GATS Ground Antenna Test Simulator GBCS(-H) Ground Based Common Sensor - Heavy (GPS) GBD Global Burst Detection GBL Government Bill of Lading Gbps Gigabits per second GCA ground controlled approach GCCS Global Command and Control System GCSS Global Combat Support System GDOP Geometric Dilution of Precision (GPS) GEO Geosynchronous Earth Orbit GEOREF World Geographic Reference System GFAE Government Furnished Aeronautical Equipment GFE Government-furnished equipment GFF Government Furnished Facilities GFI Government Furnished Information GFM Government Furnished Material GFO Geosat Follow-on GFP Government Furnished Property GFS Government Furnished Software GGP GPS Guidance Package GHz Gigahertz GI&S geospatial information and services GIDEP Government Industry Data Exchange Program GINA GPS Inertial Navigation Assembly GLPS Gun-Laying Positioning System GLONASS Global Navigation Satellite System (GPS) GMTI Ground Moving Target Indicator GNSS Global Navigation Satellite System GNT Ground NDS Terminal GOCO Government-owned, Contractor Operated (Facility) GOGO Government-owned, Government Operated (Facility) GOSC GPS OCS Support Contract GOSIP Government Open Systems Interface Profile GOTS Government Off-The-Shelf GPETE General Purpose Electronic Test Equipment GPS Global Positioning System GPSE GPS Enhancement GPS L1 GPS (RF) Link 1 (1575.22 MHz) GPS L2 GPS (RF) Link 2 (1227.6 MHz) GRAM GPS Receiver Application Module GRAASM (Combined) GRAM and SAASM (receiver card) GRH Gramm-Rudman-Hollings Budget Deficit Control Act GRS Geodetic Reference System GSA General Services Administration GSE Ground Support Equipment GSF GPS Support Facility GSS Global Simulation System GTF GRAM Test Fixture GTS Guam Tracking Station GVRC GPS VME Receiver Card GUV group unique variable (GPS) GYRO gyroscope   --H--   HAC House Appropriation Committee HAE host application equipment (GPS PPS User Equipment) HAF Headquarters Air Force HAFB Holloman Air Force Base HANU High Accuracy Navigational Users HARM High-speed Anti-Radiation Missile HASC House Armed Services Committee HBC House Budget Committee HCA Head of Contracting Agency/Activity HCI Human Computer Interface HD High dynamic HDOP Horizontal Dilution of Precision (HDOP) HERO Hazards of Electromagnetic Radiation to Ordinance HF high frequency HFE Human Factors Engineering HFSS High Fidelity System Simulator HFSS-A High Fidelity System Simulator Phase A HFSS-B High Fidelity System Simulator Phase B HI Hawaii HMI Hazardously Misleading Information HOI Headquarters Operating Instruction (AF) HOL Higher Order Language HQ Headquarters HQ AFSPC Headquarters Air Force Space Command HQ USAF Headquarters United States Air Force HQ AFRC Headquarters Air Force Reserve Command HR relative height HSC Human Systems Center (AFMC) HSI Human Systems Integration HSL height above mean sea level HTA Host/Tenant Agreement HTS, HTS HARM Targeting System Hawaii Tracking Station HUMINT Human Intelligence HW or H/W Hardware HWCI Hardware Configuration Item HWIL Hardware In The Loop Hz hertz (cycles per second)   --I--   I&A Indication and Authentication IA Information Assurance IADS Integrated Air Defense System IAF initial approach fix IAW In Accordance With IBM International Business Machines, Inc. ICA Independent Cost Analysis ICADS Integrated Correlation and Display System ICAF Industrial College of the Armed Forces ICAO International Civil Aviation Organization ICBM Intercontinental Ballistic Missile ICD Interface Control Document ICDS Integrated Correlation and Display System ICE Independent Cost Estimate ICG Interactive Computer Graphic ICNIA Integrated Communications, Navigation, and Identification Avionics ICO Intelligence Counterpart Officer ICP Inventory Control Point ICS Interim Contractor Support ICT Integrated Concept Team ICWG Interface Control Working Group IDD Interface Design Document IEEE Institute for Electrical and Electronic Engineers IER Information Exchange Requirement(s) IFB Invitation for Bid IFCS Improved Fire Control System IFF identification, friend or foe IG Inspector General IGCE Independent Government Cost Estimate IGEB Inter-Agency GPS Executive Board I&L Installations and Logistics ILS Instrument Landing System; Integrated Logistics Support ILSMT Integrated Logistics Support Management Team ILSP Integrated Logistics Support Plan IM Item Manager IMIP Industrial Modernization Improvement Program IML Intermediate Maintenance Level IMO International Maritime Organization IMOSC Integrated Mission Operations Support Center IMPACTS Integrated Manpower Personnel and Comprehensive Training and Safety IMU inertial measuring unit INCOSE International Council on Systems Engineering INF Intermediate Range Nuclear Force INMARSAT International Maritime Satellite INS Inertial Navigation System INTEL intelligence INU inertial navigation unit IO Information Operations IOC Initial Operational Capability ION Institute of Navigation IOS Indian Ocean Tracking Station IOT&E Initial Operational Test and Evaluation IPPD Integrated Product/Process Development IPR In-Progress/Process Review IPS Integrated Program Summary IPT Integrated Product Test; Integrated Product Team IQT Initial Qualification Training IR Inverted Range IRCC Inverted Range Control CEnter IRD Interface Requirements Document IR&D Independent Research and Development IRS Interface Requirements Specification IRSS Information and Resource Support System IRT Independent Review Team IS Information Superiority ISA International Security Affairs (OSD); Instruction Set Architecture, Interservice Support Agreement ISF Integrated Support Facility ISP Integrated Support Plan ISR Intelligence, Surveillance and Reconnaissance ISSA International Space Station Alpha ISWG Intelligence Support Working Group IT Information Technology IT OIPT Information Technology Overarching Integrated Product Team ITP Integrated Test Plan ITT International Telephone and Telegraph ITW/AA Integrated Tactical Warning and Attack Assessment IUS Inertial Upper Stage IV&V Independent Verification and Validation IW Information Warfare IWSM Integrated Weapons Systems Management   --J--   J&A Justification and Approval JAMAC Joint Aeronautical Materials Activity JAOC Joint Air Operations Center JCS Joint Chiefs of Staff JDAM Joint Direct Attack Munition JEFX Joint Expeditionary Force Experiment JFACC Joint Force Air Component Commander JFC Joint Force Commander JIT Just-in-Time JITC Joint Interoperability Test Command JLC Joint Logistics Commanders JMAA Joint Mission Area Analysis JMASS Joint Modeling and Simulation System JMNA Joint Mission Need Analysis JMNA Joint Military Net Assessment (JCS/OSD) JOA Joint Operating Agreement JOG Joint operations - graphic JOP Joint Operating Procedures JPALS Joint Precision Approach and Landing System JPATS Joint primary aircraft training system JPD Joint Potential Designator JPO Joint Program Office JRB Joint Requirements Board JRMET Joint Reliability and Maintainability Evaluation Team JROC Joint Requirements Oversight Council JROCM Joint Requirements Oversight Council memorandum JRP Joint Requirements Panel JSCP Joint Strategic Capabilities Plan JSF Joint Strike Fighter JSIMS Joint Simulation System JSMB Joint Space Management Board JSOR Joint Services Operational Requirement JSPS Joint Strategic Planning System JSST Joint Space Support Team JSTARS Joint Surveillance, Target Attack Radar System JTA Joint Technical Architecture JTACMS Joint Tactical Missile System JT&E Joint Test and Evaluation JTF Joint Task Force JTIDS Joint Tactical Information Distribution System JTRS Joint Tactical Radio System JWARS Joint Warfare System   --K--   K Thousand; Contract Kbps Kilo bits per second KDP Key Data Processor kHz kilohertz km Kilometer KMS Kwajalein Monitor Station KO Contracting Officer (Also CO) KPP Key Performance Parameter KR/Kr Contractor KT Contract kW kilowatt   --L--   L   Link (GPS) L1   Link 1, carrier frequency = 1575.42 MHz L2   Link 2, carrier frequency = 1227.6 MHz L3   Link 3, carrier frequency = 1381.05 MHz L4   Link 4, carrier frequency = 1379.913 MHz; NDS Analysis Package (NAP) signal L5   Link 5, carrier frequency = 1176.45 MHz L1 C/A   Coarse/Acquisition-code on L1 L1 P(Y)   Precision-code on L1; Y-code is the Anti-Spoof code used in place of the P-code L1 M   Military-code on L1 (L1 M) PA   Puncture Acquisition code on L1 embedded in M-code L1 M'   Military-code Prime on L1; R&D test code (L1 M') PA'   Puncture Acquisition code Prime on L1 embedded in L1 M'; R&D test code L1 A   Interplex Modulation component on L1 L2 C/A   Coarse/Acquisition-code on L2 L2 P(Y)   Precision-code on L2; Y-code is the Anti-Spoof code used in place of the P-code L2 M   Military-code on L2 (L2 M) PA   Puncture Acquisition code on L2 embedded in M-code (L2 M) FA   Frequency Hop Acquisition code on L2 used with L2 M L2 M'   Military-code Prime on L2; R&D test code (L2 M') PA'   Puncture Acquisition code Prime on L2 embedded in L2 M'; R&D test code (L2 M') FA'   Frequency Hop Acquisition code Prime on L2 used with L2 M'; R&D test code L2 A   Interplex Modulation component on L2 L2 C   Civil signal on L2; general reference to the civil signal on L2 which consists of some combination of L2 C/A, L2 CM, L2 CL, and data L2 CM   Moderate length code on L2 C L2 CL   Long length code on L2 C in chip-by-chip time multiplex combination with L2 CM L3 C/A   Coarse/Acquisition-code on L3 L5 C   Civil signal on L5; general reference to the civil signal on L5 which consists of some combination of L5 I5, L5 Q5, and data L5 I5   In-phase code on L5 L5 Q5   Quadraphase code on L5 LAAFB Los Angeles Air Force Base LAAS Local Area Augmentation System LADGPS Local Area Differential GPS LADO L/EO, Anomaly Resolution and Disposal Operations LAIRCM Large Aircraft Infrared Countermeasures LAN Local Area Network LAT latitude LCC Life Cycle Cost LCM Life Cycle Management LDA Launch Decision Authority LDGPS Local Area Differential Global Positioning Systems LD/HD Low Density/High Demand LED Light emitting diodes LEM Logistics Element Manager LEO Low Earth Orbit L/EO, LEO, Launch and Early Orbit LEP linear error probable LF low frequency LFT&E Live Fire Test and Evaluation LHD amphibious assault ship LLDR Lightweight Laser Designator Rangefinder LLTM Long Lead Time Material Lm Military link LM Logistics Management LMM&DS Lockheed Martin Management and Data Systems - Valley Forge, PA LMM&S Lockheed Martin Missiles and Space - Sunnyvale, CA LMR Land Mobile Radio LOA Letter of Offer and Acceptance; Letter of Authorization LOC location LOE Level of Effort; Letter of Evaluation (Air Force) LOG Logistics LOGO Limitation of Government Obligations LOI Letter of Instruction; Letter of Intent LOP line of position LOR/A Level of Report/Analysis LORAN long range navigation LORAN-C C version of LORAN LP Limited Procurement LRCM Long-Range Cruise Missile LRE Latest Revised Estimate LRIP Low Rate Initial Production LRP Long Range Plan; Low Rate Production LRU Line Replaceable Unit LSAR Logistics Support Analysis Record LSA Logistics Support Analysis LSI Large Scale Integration LSR Logistics Support Review   --M--   m Meter M Million MAA Mission Area Analysis/Assessment MAAG Military Assistance Advisory Group MAD Mission Area Deficiency; Mutual Assured Destruction MAF Mobility Air Forces MAGR Miniaturized Airborne GPS Receiver MAGRU Miniaturized Airborne GPS Receiver Upgrade (ACTD Asset) MAIS Major Automated Information System MAISARC Major Automated Information System Review Council MAJCOM Major Command MAP Mission Area Plan MAPS Modular Azimuth Positioning System MAPS-H Maps With GPS MAR Management Assessment Review MASINT Measurement and Signature Intelligence MATCALS Marine Air Traffic Control and Landing System MATE Multipurpose Automatic Test Equipment MATSS Mobility Aircrew Training and Sustainment System Mbps Mega bits per second MC Maintenance Concept MC/A/N/AF/M Military Construction (MILCON) (Appropriate), Army/Navy/Air Force/USMC MC&G mapping, charting, and geodesy MCB Modification Control Board MCC Mission Control Complex MCCR Mission Critical Computer Resources MCCS Mission Critical Computer System MCEB Military Communications-Electronic Board M-Code Military Code MCOTEA Marine Core Operational Test and Evaluation Agency MCP Mission Coordinating Paper; Military Construction Plan MCS Master Control Station (GPS); Mission Control Segment MCW modulated continuous wave MD Maryland MDA Milestone Decision Authority MDAP Major Defense Acquisition Program MDAPS Major Defense Acquisition Programs MDC Maintenance Data Collection MDI Multi-Disciplinary Intelligence MDM Mobile Depot Maintenance MDT Mean Down Time; Mobile Data Terminal (GPS) MDU Mission Data Unit ME Mission Effectiveness MED-EVAC medical evacuation MER Manpower Estimate Report MF medium frequency MFHBF Mean Flight Hours Between Failure MFP Materiel Fielding Plan MHC mine warfare ship MHz megahertz (106 Hz) MIB Military Intelligence Board mil unit of angular measurement equal to an angle having a tangent of 0.001 MILCON Military Construction (Appropriations) MIL-HDBK Military handbook MILPERS Military Personnel MILSATCOM Military Satellite Communications MILSCAP Military Standard Contract Administration Procedure MILSPEC Military Specification MILSTAMP Military Standard Transportation and Movement Procedures MILSTAR Military Strategic and Tactical Relay System MilStd Military standard MILSTEP Military Support and Transportation Evaluation Procedures MILSTRAP Military Standard Transaction Reporting and Accounting Procedures MILSTRIP Military Standard Requisitioning and Issue Procedures Min Minute MIPR Military Interdepartmental Purchase Request MIS Management Information System MJIE Major Joint Integrating Experiments MLDT Mean Logistics Delay Time MLRS multiple launch rocket system MLS Microwave Landing System MLV Medium Launch Vehicle (i.e., Delta II) mm millimeter M max CT Maintenance maximum corrective time MMD Mean Mission Duration MMIII Minuteman III Missile MMC Miniaturized Munitions Capability MMLS Mobile Microwave Landing System MMR Multi-Mode Receiver MND Mission Need Determination MNP Master Navigation Plan MNS Mission Need Statement MOA Memorandum of Agreement MOD Modification; Minister of Defense (allied) MOE Measure of Effectiveness MOOTW Military Operations Other Than War MOP Measure of Performance; Memorandum of Policy (JCS) MOSC Mission Operations Support Center MOU Memorandum of Understanding MP Master Plan MP/A/N/AF/M Military Personnel (Appropriations), Army/Navy/Air Force/USMC MPE Miniaturized PLGR Engine MPNTP Master Positioning, Navigation, and Timing Plan MPSOC Multi-Purpose Space Operations Complex MPT Manpower, Personnel and Training MR Mission Reliability mrad millradians MRB Material Review Board MRP Material Requirements Planning MRAALS Marine Remote Area Approach and Landing System MROC Multi-command Required Operational Capability MRS Mobility Requirements Study MRSP Mobility Readiness Spares Packages ms Milliseconds MS Monitor Station MS or M/S Milestone MSC Military Sealift Command MSD Material Support Division/Date; Mission Support Document MSI Multi-spectral imaging MSIC Missile Systems Intelligence Center MS-MSRE Modernized MSRE MSRE Monitor Station Receive Equipment (GPS) MSRR Modeling and Simulation Resource Repository MSS Mobile Satellite Services MSTEMP Multi-Service Test and Evaluation Master Plan MSTRS Miniaturized Satellite Threat Reporting System MSTS Monitor Station Test Simulator; Multi-source Tactical System MTBCF Mission Time Between Critical Failures MTBDE Mean Time Between Downing Events MTBF Mean Time Between Failure MTBMA Mean Time Between Maintenance Actions MTO Mission Type Orders MTPWG Multi-Service Test Planning Working Group MTTR Mean Time To Repair/Report MTTRS Mean Time To Repair System MTTRF Mean Time to Restore Function MTW Major Theater War MUE Mission Unique Equipment MUS Mission Unique Software MWO Material Work Order MYP Multi-Year Procurement   --N--   N/A Not Applicable NACSIM National COMSEC Memorandum NAF Numbered Air Force; Non-Appropriated Fund NAIC National Air Intelligence Center NANU Notice Advisories to NAVSTAR Users NAP NDS Auxiliary Payload NAS National Airspace System NASA National Aeronautics and Space Administration NASM National Air and Space Model NATO North Atlantic Treaty Organization Nav Navigational NAVAIDS navigation aids NAVOBSY Naval Observatory NAVOCEANO Naval Oceanographic Office NAVSOC Naval Space Operations Center NAVSPACE Naval Space Command NAVSSI Navigation Sensor System Interface (GPS) NavTEL Navigational Test and Evaluation Laboratory NAVWAR Navigation Warfare NAWC-WD Naval Air Warfare Center-Weapons Division, China Lake, CA NBC Nuclear, Biological, Chemical NBCC Nuclear, Biological, Chemical Contamination NCA National Command Authority NDB non-directional beacon NDGPS National Differential Global Positioning System NDI Non-Development Item NDS NUDET Detection System NE Nebraska NFAF Naval Fleet Auxiliary Force (MSC) NFIP National Foreign Intelligence Program NGIC National Ground Intelligence Center NH New Hampshire NHS New Hampshire Tracking Station NIMA National Imagery and Mapping Agency NIST National Institute of Standards and Technology nm nautical mile NM New Mexico NMC Non-Mission Capable NMD National Missile Defense N-MNS NORAD Mission Need Statement NMS National Military Strategy NMSD National Military Strategy Document NOA National Overhead Assets NOAA National Oceanic and Atmospheric Administration NOCC National Operations Command Center NOFORN No Foreign Dissemination NORAD North American Aerospace Defense Command NOTAM Notice to Airmen NPA Non-precision approach NPF NAVSTAR Processing Facility (GPS) NPV Non-precision approach with vertical guidance NPOESS National Polar Orbiting Environmental Satellite System NRL Naval Research Laboratory NSA National Security Agency NSC National Security Council NSC   Non-standard C/A code NSCCA Nuclear Safety Cross-Check Analysis NSCL   Non-standard L2 CL code NSCM   Non-standard L2 CM code NSCS National Security Computer System nsec Nanosecond (10-9 Second) NSG north seeking gyro NSI5   Non-standard I5 code NSM   Non-standard M code NSN National Stock Number NSNF Non-Strategic Nuclear Forces NSQ5   Non-standard Q5 code NSS National Security Strategy; National Supply System NSTC National Science and Technology Council NSY   Non-standard Y code NTDR Near-Term Digital Radio NTIS National Technical Information Service (Department of Commerce) NTISSI National Telecommunications and Information Systems Security Instruction NUDET Nuclear Detonation NWC National War College   --O--   OA Orbital Analyst, Operational Assessment, Obligation Authority OAS Onizuka Air Station; open architecture system OB Operating Budget; Operational Build OBE Overtaken by Events OCONUS Outside the CONUS (Continental United States) OCS Operational Control Segment OCT Operational Climatic Testing OEM Original Equipment Manufacturer OH Observation Helicopter Set OI Operating Income; Operating Instructions OIPT Overarching Integrated Product Team OJT On-the-Job Training O-Level Organizational level OL Operating Location O&M Operations and Maintenance OM/A/N/AF/M Operation and Maintenance (Appropriations), Army/Navy/Air Force/USMC OMB Office of Management and Budget ONC operational navigation chart ONI Office of Naval Intelligence OO-ALC Ogden Air Logistics Center OOH Orbital Operations Handbook (GPS) OP/A/N/AF Other Procurement (Appropriation), Army/Navy/Air Force OPCON operational control OPCR Operations Procedure Change Request OPLAN Operations Plan OPNAV Office of the Chief of Naval Operations OPR Office of Primary Responsibility OPSCAP Operational Status Capability OPSEC Operations Security OPTEC Operational Test and Evaluation Center OPTEVFOR Operational Test and Evaluation Force ORD Operational Requirements Document ORRB Operational Requirements Review Board OR/SA Operations Research/Systems Analysis ORWG Operational Requirements Working Group OS Operational Stability O&S Operations and Sustainment OSA Operational Support Aircraft OSCARS Optimum Satellite Constellation Assessment Report Summary (GPS) OSCRs Operating System Change Requests OSD Office of the Secretary of Defense OSIA On-Site Inspection Agency OSMC Operational Software Maintenance Complex (Schriever AFB-used for s/w) OSR Operational Software Release OSS Operational Support System OT Operational Testing OTA Operational Test Agency OTAR Over-The-Air-Rekey OT&E Operational Test and Evaluation OTH over the horizon OTP Outline Test Plan OTRR Operational Test Run for Record OTS Officer Training School OUSD Office of the Under Secretary of Defense   --P--   P3 Pollution Prevention Program P3I Pre-Planned Product Improvement P9x Space Test Experiment Program P&A Price and Availability PA Program Authorization; Product Assurance; Pennsylvania PACAF Pacific Air Forces PADS Position Azimuth Determining System PA&E Program Analysis and Evaluation PAFB Peterson Air Force Base, Colorado Springs, CO PALS Precision Approach Landing System PAR Precision Approach Radar; Program Assessment Review PAT&E Production Acceptance Test and Evaluation PAX River Patuxent River, MD PB President's Budget; Program Baseline PBD Program Budget Decision PCA Physical Configuration Audit PCB Printed Circuit Board PCM Program Cost Management PCMCIA Personal Computer Memory Card International Association PCO Procuring Contracting Officer P-Code Precision Code PCR Program Change Request; Procurement Center Representative PCS Pre-launch Compatibility Station PD Program Direction; See PROD/DEPL PDA Principal Developing Agency/Activity; Principal Design Authority PDD Presidential Decision Directive PDM Program Decision Memorandum; Programmed Depot Maintenance PDOP Position dilution of precision (GPS) PDP Program Development Plan PDR Preliminary Design Review PDRR Program Definition and Risk Reduction PDS Position Determining System PDSS Post Deployment Software Support PE Probable error (GPS); Planning Estimate; Program Element; Procurement Executive PEC Program Element Code PEM Program Element Monitor PEO Program Executive Officer PEP Producibility Engineering and Planning PERT Program Evaluation Review Technique PESO Product Engineering Services Office PFM Program Financial Management PGM Precision Guided Munition PGSE Payload Ground Support System PHMI Probability of Hazardously Misleading Information PHST, PHS&T Packaging, Handling, Storage and Transportation PI Product Improvement PINS Precise Integrated Navigation System PIP Product Improvement Proposal/Program PISC Phase-in Steering Committee Pk Probability of Kill PK Peacekeeper PKI Public Key Indicators P&L Profit and Loss PL Public Law PLGR Precise Lightweight GPS Receiver PLGRU Precise Lightweight GPS Receiver Upgrade (ATCD Asset) PLRS Position Location Reporting System PLSR Precision Landing System Receiver PM Program Manager; Project Manager; Product Manager PMCS Program Management Control System PMD Program Management Directive; Program Management Document PMEL Precision Measurement Equipment Laboratory PMI Preventative Maintenance Instructions PMO Program Management Office PMP Program Management Plan PMR Program Management Review PMRT Program Management Responsibility Transfer PMSS Program Manager's Support System PMW Program Manager for Naval Warfare PNT position, navigation and time POA&M Plan of Actions and Milestones POC Point of Contact POL Petroleum, Oil and Lubricants POM Program Objective Memorandum PoP Period of Performance Pos/Nav positioning/navigation POSIX Portable Operation System Interface for Computing Environment PPBS Planning, Programming and Budgeting System PPI POM Preparation Instructions PPL Provisioning Parts List PPS Precise Positioning Service (GPS); Post-Production Support PR Pseudorange (GPS); Procurement Request PRAM Productivity, Reliability, Availability and Maintainability (metrics) PRAT Production Reliability Acceptance Test PRC Program Review Committee PRD Program Requirements Document PRN Pseudo Random Number; Pseudo-random noise (GPS) PRO Plant Representative Office PROD Production PROD/DEPL, P/D Production and Deployment Phase PROM Programmable Read-Only Memory PRR Production Readiness Review PSA Principal Staff Assistant PSE Peculiar Support Equipment PSP Program Support Plan Pt. Point P&T Personnel and Training PTA Participating Test Agencies PTF Payload Test Facility PTTI precise time and time interval PVT Position, Velocity and Time PWB Printed Wiring Board PWRMS Propositioned War Reserve Materiel Stocks PY Prior Year P/Y Encrypted P-Code P(Y)-Code Precision Code: Y denotes code used in place of P-Code   --Q--   QA Quality Assurance QAE Quality Assurance Evaluator QAR Quality Assurance Representative QBL Qualified Bidders List QC Quality Control QCR Qualitative Construction Requirement QDR Quadrennial Defense Review QoL Quality of Life QPL Qualified Products List QRC Quick Reaction Capability QSR Quarterly Status Report   --R--   R Reliability RAC Request for Authority to Complete (Negotiations) RAD Requirements and Acquisition Division RADEC Radiation Detection Capability RAIM Receiver Autonomous Integrity Monitoring RAM Random Access Memory RAM/RMA Reliability, Availability, Maintainability RAN Request for Authority to Negotiate RAP Reserve Auxiliary Payload (GPS); Resource Allocation Process RAU Reserve Associate Unit RCC Resource Control Center RCM Requirements Correlation Matrix RCVR Receiver R&D Research and Development RDA Research, Development and Acquisition RDOP Relative Dilution of Precision RDT&E Research, Development, Test and Evaluation RDT&E/A/N/AF/M RDT&E (Appropriation), Army, Navy, AF, USMC REAC reaction (time) REDMAN Redundancy Management REMIS Reliability and Maintainability Information System RF Radio Frequency RFB Request for Bid RFDU Radio Frequency Digital Unit RFI Radio Frequency Interference RFI Ready for Issue; Request for Information RFP Request for Proposal RFQ Request for Quotation RFR Run For Record RGF Remote Ground Facility RINEX Receiver INdependent EXchange format (GPS) RIW Reliability Improvement Warranty RLG ring laser gyro R&M Reliability and Maintainability RMA Reliability, Maintainability and Availability RM&S Reliability, Maintainability and Sustainability rms Root Mean Square RNP Required Navigation Performance ROI Return on Investment ROM Read-Only Memory; Rough-Order of Magnitude RPG Reports Guide Book RRC Requirements Review Council RRP Requirements Review Panel RSI Rationalization, Standardization and Interoperability rss root-sum-squared RSSC Regional SATCOM Support Centers RTCA Radio Technical Commission for Aeronautics - Motto is "Requirements and Technical Concepts for Aviation" RTCM Radio Technical Commission Maritime RTO Responsible Test Organization RTS Remote Tracking Station RVI Renovation, Validation and Implementation RVT Requirement Verification Test   --S--   S   Secret S1   S Band 1, Frequency = 2227.500 MHz S2   S Band 2, Frequency = 2228.524 MHz S3   S Band 3, Frequency = 2226.476 MHz SA Selective Availability, Support Agreement SA/A-S selective availability/anti-spoof SAASM Selective Availability and Anti-Spoofing Module SAC Senate Appropriations Committee SACEUR Supreme Allied Commander, Europe SACLANT Supreme Allied Commander, Atlantic SAE Service Acquisition Executive SAF Secretary of the Air Force SAFB Schriever Air Force Base (Colorado) SAM Surface to Air Missile SAMP Single Acquisition Management Plan SAP Special Access Program SAR Selected Acquisition Report; Subsequent Application Review; Search and Rescue; Safety Assessment Report; Special Access Required SARPS Standards and Recommended Practices SASC Senate Armed Services Committee SATCOM Satellite Communications SATNAV Satellite Navigation SBA Small Business Administration SBC Senate Budget Committee SBIR Space Based Infrared System; Small Business Innovation Research Program SBIRS Space Based Infrared System SBSS Standard Base Supply System SCA Satellite Control Authority/Architecture SCAT Security Control of Air Traffic SCATANA Security Control of Air Traffic and Navigation Aids SCCB Software Configuration Control Board SCI Sensitive Compartmented Information SCMP Software Configuration Management Plan SCN Specification Change Notice; Software Change Notice SCR Software Change Request(s) SCSR Station Computer System Replacement (GPS) SCSS Satellite Control Simulation System SDB Small Disadvantaged Business Program SDI Strategic Defense Initiative SDIO Strategic Defense Initiative Organization SDL Software Development Library/Laboratory SDLS Satellite Data Link Standard SDP Software Development Plan SDR System Design Review; Software Design Review SE Systems Engineering; Support Equipment SEAD Suppression of enemy air defenses sec second SECDEF Secretary of Defense SEM Systems Engineering Management SE/M System Engineering/Management SEM(E) Standard Electronic Module Form E SEMP System Engineering Management Process SEP Spherical error probable (GPS) SERD Support Equipment Requirements/Recommendation Document SES Severely Errored Seconds SETA Systems Engineering and Technical Assistance SGLS Space-Ground Link Subsystem SHF Super High Frequency S&I Surveys and Investigations Organization of the House Appropriations Committee SIAGL survey instrument azimuth gyroscope lightweight SIC Standard Industrial Classification SIGINT Signals intelligence sigma, s standard deviation SIGSEC Signal Security Sim Simulator, Simulation SIS Signal-In-Space SISMS Standard Integrated Support Management System SITC System Integrated Test Capability SKYNET Skynet Communications Satellite SLEP Service Life Extension Program SLOC Software Line of Code SLS Satellite Launch Squadron SM Security Module SMC Space and Missile Systems Center (AFMC) SMC/CC Space and Missile Systems Center Commander SMC/CZ GPS Joint Program Office SMD Standardized Military Drawing Program SME Subject Matter Experts SMIP Spares Management Improvement Program SMx Support Mission Series SNAPM Satellite-Based Navigation Accuracy Performance Model SNAPM-WF Satellite-Based Navigation Accuracy Performance Model-Warfighter SNL Sandia National Laboratories SOC Satellite Operations Center SOF Special Operations Forces SOH State of Health SON Statement of Operational Need SONAR sound navigation ranging SOP Standing/Standard Operating Procedure SOPS Satellite Operations Squadron SORD System of Operational Requirements Document SoS Systems of Systems SOS Source of Supply; Squadron Officer School SOW Statement of Work SPAWAR Space and Naval Warfare Systems Command (US Navy) SPC Statistical Process Control SPD System Program Director SPEC Specification SPM System Program Manager; Software Programmer's Manual SPO System Program/Project Office SPR Secretarial Program Review SPS Standard Positioning Service (GPS); Software Product Specification SPT System Performance Test SPU Spacecraft Processor Unit SQEP Software Quality Evaluation Plan SQL Standard Query Language SRA Shop Replacement Assembly SRD Systems Requirement Document SRI Stanford Research Institute (profit division of Stanford University, CA) SRP/PDS Stabilization Reference Package/Position Determining System SRR Systems Requirements Review SRS Satellite Reference System; Software Requirements Specification SRU Subassembly Repairable Unit; Shop Replacement Unit SS Space Segment (GPS) SSA strapdown sensor assembly; Source Selection Authority, Software Support Agency SSAC Source Selection Advisory Council SSBN nuclear-powered fleet ballistic missile submarine SSC-SD Space and Naval Warfare Systems Center, San Diego SSEB Source Selection Evaluation Board SSG Senior Steering Group SSL Software Sustainment Lab SSN Space surveillance network SSP Source Selection Plan SSPM Software Standards and Procedures Manual SSR Software Specification Review SSS satellite signal simulators (GPS); Staff Summary Sheet System/Segment Specification SSWG System Safety Working Group S&T Science and Technology; Science and Technology Program S&TS Strategic and Tactical Systems ST Special Tooling STA System Threat Assessment STAR System Threat Assessment Report STB System Test Bed STD Standard; Software Test Description STE Special Test Equipment STeL Stanford Telecommunications STELLA System to Estimate Latitude and Longitude Astronomically STLDD Software Top-Level Design Document STO Space Tasking Order STP Software Test Plan STPR Software Test Procedures STR Software Test Report STS Space Transportation System STS System Telecommunication Simulator, Block IIF STS/TSM Satellite Telecommunications Simulator (Block IIF)/Telecom Simulator STT Strategy-to-Task (see AFI 10-601 for more information) SUM Software User's Manual S/V Survivability/Vulnerability SV Space Vehicle (Satellite) SV Con SV Contractor SVCS Space Vehicle Checkout Station SVMM SV Media Manager SVN Space Vehicle Number SVO Space Vehicle Zero SVR Shop Visit Rate SW or S/W Software SWARF Senior Warfighter Forum SWMX Software Maintenance SWS Space Warning Squadron   --T--   T Trillion; Time TAAF Test, Analyze and Fix TACAN Tactical Air Navigation TACON Tactical Control TAD Training Augmentation Device (used with CCS for GPS); Technology Area Descriptions TBD To Be Determined/Developed TBP To Be Provided TBS To Be Supplied TC Type Classification TCO Termination Contracting Officer TCP/IP Transmission Control Protocol/Internet Protocol TCS Telemetry and Command Station TD Test Director; Technical Data; Technical Director TDOP Time Dilution of Precision (GPS) TDP Test Design Plan; Technical Data Package TDSB Test Data Scoring Board T&E Test and Evaluation TE Test Equipment TEA Test and Evaluation Agency TECHEVAL Technical Evaluation TECHMOD Technology Modernization TED Threat Environment Description TEMP Test and Evaluation Master Plan TERCOM terrain contour matching TERPROM terrain profile matching Terr. Territory TGA Transportable Ground Antenna TIARA Tactical Intelligence and Related Activities TIM Technical Interchange Meeting TLA Target Location Error TLAM Tomahawk Lane Attack Missile TM Technical Manual; Technical Management TMD Theater Missile Defense TO Technical Order TOA Total Obligation Authority; Table of Allowance TOMA TO Management Agency ToT Time-on-target TP Technical Performance TPC/PC tactical pilotage chart/pilotage chart TPIPT Technology Planning Integrated Product Team TPM Technical Performance Measurement TPS Test Package Set; Test Program Set TPWG Test Planning Working Group TQM Total Quality Management TR Traditional Reservist TRACE Total Risk Assessing Cost Estimate TRADOC Training and Doctrine Command TRM Technical Reference Manual TRR Test Readiness Review TS Top Secret TS Telecommunications Simulator, Block IIR TSC Test Support Complex TSGCEE Tri-Service Group on Communications and Electronic Equipment (NATO) TSIR Total System Integration Responsibility TSM Telecommunications Simulator Module, Block II/IIA TSO Technical Standard Order TSPR Total System Performance Responsibility TSRA Training System Requirements Analysis TSTS Telecommunications Simulator Test Station/String TT&C Tracking, Telemetry and Commanding TTFF Time To First Fix TTF&T Technology Transfer, Fabrication and Test TTN Task-to-Need (see AFI 60-601 for more information) TTS Thule Tracking Station TVCF-E Transportable Vehicle Checkout Facility - East TWIP Test Working Integrated Product Team   --U--   U Unclassified UAV Unmanned Aerial Vehicle UCAV Unmanned combat air vehicles UDF Unit Development Folder UDLM Urgent Depot Level Maintenance UE User/Unit Equipment UH Utility Helicopter Set UHF ultrahigh frequency UHF F/O, UFO Ultrahigh Frequency Follow-on UI Unit of Issue UNK Unknown(s) UNK/UNKS Unknown/Unknowns UPS Uniform Procurement System UQT Unit Qualification Training URA User Range Accuracy (GPS) URE User Range Error U&S Unified and Specified US User Segment US United States USACOM United States Atlantic Command USAF United States Air Force U.S.C. United States Code USCG United States Coast Guard USCINCSPACE Commander In Chief, US Space Command USCINCSTRAT Commander in Chief, US Strategic Command USD(A) Under Secretary of Defense (Acquisition) USD(A&T) Under Secretary of Defense for Acquisition and Technology USD(P) Under Secretary of Defense for Policy USG United States Government; U.S. Government USMC United States Marine Corps USN United States Navy USNDS United States Nuclear Information Detection System USNO United States Naval Observatory USSOCOM United States Special Operations Command USSPACECOM United States Space Command USSTRATCOM United States Strategic Command UTC Universal Time, Coordinated UTC (USNO) Coordinated Universal Time as maintained by the USNO UTM universal transverse mercator UUT Unit Under Test   --V--   VAFB Vandenberg Air Force Base VAMOSC Visibility & Management of O&S Costs VC Variable Cost VCJCS Vice Chairman, Joint Chiefs of Staff VCSAF Vice Chief of Staff of the Air Force VDD Version Description Document VE Value Engineering VECP Value Engineering Change Proposal Ver Version V/STOL Vertical/short takeoff and landing VHF very high frequency VHIC very high speed integrated circuits VHSIC Very High Speed Integrated Circuits VLF very low frequency VLSI Very Large Scale Integration VME Versa Module Europa VOR very high frequency omnidirectional range station VORTAC combined VOR/TACAN Station VTOL vertical takeoff and landing VTS Vandenberg Tracking Station V&V Verification and Validation   --W--   WA Washington WAAS Wide Area Augmentation System WADGPS Wide Area Differential GPS WAGE Wide Area GPS Enhancement WAN Wide Area Network WBS Work Breakdown Structure WGS World Geodetic System WGS 84 World Geodetic System 1984 WNINTEL Warning Notice Intelligence Sources and Methods Involved WP/A/N/AF/M Weapons Procurement (Appropriation), Army/Navy/Air Force/USMC WPI Weapon Support Improvement Group (OSD) WSMP Weapon System Master Plan, Weapon System Management Program WSMR White Sands Missile Range WSS Weapon System Support WWV WWVH time station call letters   --X--   x times   --Y--   Y code precise code (GPS) Y2K Year 2000 YPG Yuma Proving Ground, Yuma, AZ