This site contains a comprehensive list of U.S. military terms and definitions.
J3 Director(ate) of Operations J4 Logistics Directorate J5 Director(ate) of Plans, Policy, and Programs J6 (1) Director(ate) of Command, Control, Communications; (2) Director(ate) of Command, Control, Communications, and Computer Systems J7 Joint Operational Plans Staff J8 Director(ate) of Resource Management JA Judge Advocate (General) JAADS Joint Allied Air Defense System JAAT Joint Air Attack Team JAC Joint Analysis Center JACC/CP Joint Airborne Communications Center/Command Post JAD Joint Assessment Data JAEIC Joint Atomic Energy Intelligence Committee JAG Judge Advocate General JAI Joint Administrative Instruction JAIEG Joint Atomic Information Exchange Group JAIS Japan Air Intelligence System JAIS-PAC Joint Area Information system-USPACOM JAMIP Joint Analytic Model Improvement Program JAN Joint Army-Navy JANAF Joint Army, Navy, Air Force Publication JANAP Joint Army/Navy Publication JAO Joint Area of Operations JAOC Joint Air Operations Center JAOP Joint Air Operations Plan JAPC Joint Attrition and Penetration Committee JAR JIC Analysis Report JARCC Joint Air Reconnaissance Control Center JARIC (1) Joint Aerial Reconnaissance Intelligence Center; (2) Joint Air Reconnaissance Interpretation Center (UK) JAROC (B) Joint Allied Refugee Operations Center (Berlin) JARP Joint Aerospace Reserve Program JASDF Japanese Air Self-Defense Forces JASORS Joint Advanced Special Operations Radio System JASPO Joint Airborne SIGINT Program Office JASS Joint Airborne SIGINT System JAST Joint Advanced Strike Technology Program JATCCCS Joint Advanced Tactical C3 System JAWS (1) Joint Analytical Workstation; (2) Joint Advanced Weapons System; (3) JDISS-Army Workstation JBS (1) Joint Base Station; (2) Joint Broadcast Service J2C CIA Liaison JC2WC Joint C2 Warfare Center JCAT (1) Joint Crisis Action Team; (2) Joint Crisis Analysis Tool JCC Joint Coordination Center JCCC Joint Communications Control Center JCCOC Joint Communications & Control Operational Concept JCCWC Joint Command and Control Warfare Center JCET Joint/Combined Exercises for Training JCEOI Joint CEOI JCF Joint Communications Facility JCISB Joint Counterintelligence Support Branch JCISOC Joint CI Staff Officer’s Course JCMC (1) Joint Crisis Management Capability; (2) Joint Crisis Management Center JCMEC Joint Captured Materiel Exploitation Center JCMO Joint Collection Management Office JCMOTF Joint Civil Military Operations Task Force JCMPO Joint Cruise Missile Project Office JCMST Joint Collection Management Support Tool (renamed JCMT) JCMT Joint Collection Management Tool JCNJSIC Center Cheyenne Mountain Air Force Base (CMAFB) Node JCNICC Joint Counternarcotics Intelligence Coordination Center JCP Joint Congressional Committee on Printing JCPES Joint Chiefs Planning and Execution System JCPX Joint Command Post Exercise JCRC Joint Casualty Resolution Center JCS Joint Chiefs of Staff JCSAN JCS Alert Network JCSAR Joint Combat Search and Rescue JCSE (1) Joint Communications Support Element; (2) Joint Contingency Support Element JCSM Joint Chiefs of Staff Memorandum JCSS (1) Japan Combat Support System; (2) Joint Communications Support Squadron JCTG-ME Joint Technical Coordinating Group for Munitions Effectiveness J2D DIA Liaison JDA (1) Joint Deployment Agency; (2) Japan Defense Agency; (3) Joint Duty Assignment JDAC Joint District Area Command JDAL Joint Duty Assignment List JDAM Joint Direct Attack Munition JDC Joint Debriefing Center J-DEC JICPAC-Detachment Japan JDEC Joint Document Exploitation Center JDF Joint Development Facility JDGW Joint Digital Geopositioning Workstation JDIA Joint Digital Intelligence Assessment JDIPC Joint Deployable Imagery Production Center JDISS (1) Joint Deployable Intelligence Support System; (2) Joint Defense Intelligence Support Services JDISS-C Joint Deployable Intelligence Support System-CENTCOM JDISS-E JDISS-EUCOM JDISS-S Joint Deployable Intelligence Support System-SOCOM or SOCRATES JDIVS Joint Deployable Intelligence Video/Data System JDMAG Joint Deployable Maintenance Analysis Group JDS Joint Deployment System JDSS Joint Decision Support System JDSIR Joint Deployment System Incident Reporting System JDSSC Joint Data System Support Center JEAP (1) Joint Electronic Analysis Program; (2) Joint Electronic Analysis Position JEC Joint Economic Committee JECC(G) Joint Exercise Control Center (Group) JECG Joint Exercise Control Group JECM Joint Electronic Countermeasures JEEP Joint Emergency Evacuation Plan JEIO Joint Engineering and Interoperability Organization JEFPROS JAC EUCOM Force Protection Summary JEIR JAC EUCOM Intelligence Review JEL Joint Electronic Library JEM Joint Exercise Manual JES JDISS Embedded Support JESS Joint Exercise Support System JET JWICS Earth Terminal JETDS Joint Electronics Designation System JEWC Joint Electronic Warfare Center JFACC Joint Force Air Component Commander JFC (1) Joint Fusion Center; (2) Joint Force Commander JFFC Joint Force Fires Coordinator JFFSC Joint Force Fire Support Coordinator JFI Joint Force Integrator JFIC Joint Force Interdiction Coordinator JFITL Joint Force Integrator Task List JFK CTRMA John F. Kennedy Center for Military Assistance JFLCC Joint Force Land Component Commander JLOTS Joint Logistics Over the Shore JFM Joint Force Memorandum JFMCC Joint Force Maritime Component Commander JFMO Joint Frequency Management Office JFSOCC Joint Force Special Operations Component Commander JGITSS Joint General Intelligence Training System Subarchitecture JGSDF Japanese Ground Self-Defense Forces JIATF Joint InterAgency Task Force JIATF-E Joint InterAgency Task Force - East JIATF-W Joint InterAgency Task Force - West JIB Joint Intelligence Bureau (Commonwealth Countries) JIC (1) Joint Intelligence Center; (2) Joint Interrogation Center; (3) Joint Intelligence Cell JIC-E Joint Intelligence Center-Europe JIC-SOUTH Joint Intelligence Center-U.S. SOUTHCOM JIC-2000 Designation of JICSOUTH upon movement to CONUS JICEUR Joint Intelligence Center Europe JICPAC Joint Intelligence Center Pacific JICREP Joint Intelligence Center Report JICTRANS Joint Intelligence Center for Transportation JIEO Joint Interoperability Engineering Organization (DISA) JIEP Joint Intelligence Estimate for Planning JIF Joint Interrogation Facility JIFF Joint Interdiction of Follow-on Forces JIIKS Joint Imagery Interpretation Key Structure JIIM Joint Intelligence Information Management JILE Joint Intelligence Liaison Element JIM JESS Intelligence Model JINTACCS Joint Interoperability of Tactical Command and Control Systems JINTC Joint Intelligence Task Force JIO Joint Intelligence Organization JIOC Joint Intelligence Operations Center JIPC Joint Imagery Production Center JIPTL Joint Integrated Prioritized Target List JISA Joint Intelligence Support Architecture JISAD JTF Intelligence Support Architecture Document JISC (1) Joint Intelligence Support Center; (2) Joint Intelligence Support Concept JISE Joint Intelligence Support Element JISI Joint Intelligence System Integration JISS Japan Intelligence Support System JITAP Joint Intelligence Training Activity Pacific JITC Joint Interoperability Test Center (DISA) JITF Joint Integration Testing Facility JIVA Joint Intelligence Virtual Architecture JLA Joint Logistics Assessment JLARG Joint Logistics Assessment Review Group JL-COE Joint Logistics Center of Excellence JLD Joint Liaison Detachment JLE Jammer Locator Electronics JLMIS Joint Logistics Management Information System JLOTS Joint Logistics Over the Shore JLPPG Joint Logistics and Personnel Policy and Guidance JLRC Joint Logistics Readiness Center J4/LRC Joint Logistics Readiness Center JLREID Joint Long-Range Estimating Intelligence Document (JSPS) JLRSA Joint Long-Range Strategic Appraisal JLSP Joint Logistics Steering Panel JM Joint Mission JMA (1) Joint Mobilization Augmentation; (2) Joint Mission Analysis JMAT Joint Mobility Assistance Team JMC Joint Movement Center JMCC (1) Joint MC&G Coordination Center; (2) Joint Mobile Command Center JMCIS Joint Maritime Command Information System JMEM Joint Munitions Effectiveness Manual JMENS Joint Mission Element Needs Statement JMETL (1) Joint Mission Essential Target List; (2) Joint Mission Essential Task List JMI JTIDS Modular AOC Integration System JMIC Joint Military Intelligence College JMICS JWICS Mobile Integrated Communications System JMIE Joint Maritime Information Element JMIE/JEM JMIE Support System and Modernization JMINI Joint UHF MILSATCOM Network Integrated JMIP Joint Military Intelligence Program JMISE Joint Military Intelligence Support Element JMITC Joint Military Intelligence Training Center JMNS Joint Mission Needs Statement JMO Joint Management Office JMOCC Joint Mobile Operations Command Center JMP (1) Joint Manpower Program; (2) Joint Mobilization Program JMPAB Joint Material Priorities Allocation Board JMPP Joint Munitions Production Panel JMRR Joint Military Readiness Review JMSDF Japan Maritime Self-Defense Force JMSIP Joint Modeling and Simulation Integration Program JMSNS Justification for Major System New Start JMST Joint Management Support Tool JMTB Joint Military Transportation Board JMTG (1) Joint Military Terminology Group; (2) Joint Master Training Guide JMTK Joint Mapping Tool Kit JNACC Joint Nuclear Accident Coordinating Center JNAF Yugoslavia National Air Force JNC Jet Navigation Chart JNC-A Jet Navigation Chart-Air JNIDS (1) Joint National Intelligence Dissemination System; (2) Joint National Intelligence Development Staff JNPE Joint Nuclear Planning Element JOA Joint Operations Area JOC Joint Operations Center JOC/INT Joint Operations Center/Intelligence Team JOG Joint Operations Graphic JOG-A Joint Operations Graphic-Air JOG-C Joint Operations Graphic-Combined JOG-G Joint Operations Graphic-Ground JOG-R Joint Operations Graphic-Radar JOIC Joint Operational Intelligence Center/Cell JOIN Joint Operations Intelligence Network JOINT REDTRAIN Joint Readiness Training Joint STARS Joint Surveillance Target Attack Radar System JOP Joint Operating Procedure JOPES Joint Operations Planning and Execution System JOPS Joint Operational Planning System JOS Joint Operational Stocks JOSE Joint Operations Support Element JOTS Joint Operational Tactical System JP (1) Jet Petroleum; (2) Joint Publication JPAM Joint Program Assessment Memorandum JPAT Joint Planning and Assistance Team JPD Joint Planning Document JPEA Joint Planning and Exercise Activity JPEC Joint Planning and Execution Community JPL Jet Propulsion Laboratory JPM Joint Program Manager JPMIE Joint Program for Military Intelligence Education JPMO Joint Program Management Office JPN JSIC Peterson Node JPO Joint Project Office JPOTF Joint Psychological Operations Task Force JPOTG Joint Psychological Operations Task Group JPPR Joint Planning and Program Review JPRS Joint Publications Research Service JPSD Joint Precision Strike Demonstration JPSS Joint Planning Staff for Space JPSIO Joint Precision Strike Integration Office JRA Joint Rear Area JRB Joint Reconnaissance Board JRC (1) Joint Reconnaissance Center; (2) Joint Recovery Center JRCB Joint Reconnaissance Coordination Board JRCC Joint Rescue Coordination Center JRCP Joint Readiness Command Program JRDC Joint Regional Defense Command JRDOD Joint Research and Development Objectives Document JRFL Joint Restricted Frequency List JRIP Joint Reserve Intelligence Program JRMB Joint Requirements and Management Board JRO Joint Reconnaissance Office JROC Joint Requirements Oversight Council JROC-B Joint Refugee Center, Berlin JRS Joint Reporting System/Structure JRSC Jam-Resistant Secure Communications JRTC (1) Joint Readiness Training Center; (2) Joint Regional Training Center JRTC-IS JRTC Instrumentation System JRX Joint Readiness Exercise JRX MILES JRX Milestone System JS Joint Staff J/S Ratio of received power level of a jamming signal and a desired signal JSAJAC Security Activity JSAC Joint State Area Command JSAM Joint Security Assistance Memorandum JSAMSA Joint Security Assistance Memorandum Supporting Analysis JSB Joint Synthetic Battlespace JSC (1) Lyndon B. Johnson Space Center; (2) Joint Spectrum Center JSCP Joint Strategic Capabilities Plan JSCS Joint Strategic Connectivity Staff JSDF Japanese Self-Defense Forces JSEAD (1) Joint Surveillance Enemy Air Defense; (2) Joint Suppression of Enemy Air Defenses JSFC Joint Space Fundamentals Course JSIC Joint SPACECOM Intelligence Center JSIMS Joint Simulation System JSIOC Joint Space Intelligence Operations Course JSIOPC Joint Space Intelligence Operations Policy Course JSIP Joint Services Imagery Processor JSIPS Joint Service Imagery Processing System JSIPS-N Joint Service Imagery Processing System-Navy JSMB Joint Space Management Board JSO (1) Joint Staff Office; (2) Joint Support Office JSOA (1) Joint Special Operations Agency; (2) Joint Special Operations Area JSOACC Joint Special Operations Air Component Commander JSOC (1) Joint Special Operations Center; (2) Joint Strategic Operations Center; (3) Joint Special Operations Command JSODC Joint Special Operations Deception Course JSOFI Joint Special Operations Forces Institute JSOIC Joint Special Operations Intelligence Course JSOIT Joint Special Operations Intelligence Training JSOIO Joint Special Operations Intelligence Orientation JSOP Joint Strategic Objectives Plan JSOPW Joint Special Operations Planning Workshop JSOR Joint Service Operational Requirement JSOSOC Joint Special Operations Staff Officer Course JSOTF Joint Special Operations Task Force JSOTFSO Joint Special Operations Task Force South JSOTP Joint Special Operations Training Project JSOW Joint Standoff Weapon JSPD Joint Strategic Planning Document JSPDSA Joint Strategic Planning Document Supporting Analysis JSPO Joint System Program Office JSPS Joint Strategic Planning System JSR (1) Joint Strategy Review; (2) Joint Special Reports JSRC Joint Search and Rescue Center JSS (1) Joint Surveillance System; (2) JMIE Support System JSST (1) Joint Space Support Team; (2) Joint Special Support Team JSTARS Joint Surveillance and Target Attack Radar System JSTPS Joint Strategic Target Planning Staff JSWG (1) J-TENS Special Working Group; (2) Joint Service Working Group JT Joint JTA (1) Joint Task Analysis; (2) Joint Table of Allowances JTAGS Joint Tactical Ground Station JTAO Joint Tactical Air Operations JTARS Joint Tactical Aerial Reconnaissance System JTASC Joint Training, Analysis and Simulation Center JTB (1) Joint Transportation Board; (2) Joint Targets Board JTC (1) Joint Target Committee; (2) Joint Technology Center; (3) JFACC Target Cell JTC3A Joint Tactical Command, Control, and Communications Agency JTCAE Joint Tactical Control and Analysis Element JTCB Joint Targets Coordination Board JTCG Joint Technical Coordinating Group JTCG(ME) Joint Technical Coordinating Group (For Munitions Effectiveness) JTC/SIL Joint Technology Center/ Systems Integration Laboratory JTD Joint Table of Distribution (Manning Authorization for a Joint Organization) JTDA Joint Table of Distribution and Allowances JTEB Joint Test and Evaluation Board J-TENS Joint Tactical Exploitation of National Systems JTENS Joint-Service Tactical Exploitation of National Systems JTF (1) Joint Tactical Fusion; (2) Joint Task Force JTF-6 Joint Task Force-6 JTF-B USSOUTHCOM JTF in Honduras JTFCEM Joint Task Force Contingency Engineer Manager JTF-FA Joint Task Force-Full Accounting JTF-LOCE Joint Tactical Fusion-Limited Operational Capability Europe JTF-PM Joint Task Force-Panama JTFPO Joint Tactical Fusion Program Office JTF-PP Joint Task Force PROVIDE PROMISE JTF-SWA Joint Task Force-South West Asia JTFHQ Joint Task Force Headquarters JTFP Joint Tactical Fusion Program JTFPMO Joint Tactical Fusion Program Management Office JTFSO Joint Task Force South JTG Joint Task Group JTIC Joint Transportation Intelligence Center JTID Joint Digital Team Information Device JTIDS Joint Tactical Information Distribution System JTL Joint Target List JTMD (1) Joint Theater Missile Defense; (2) Joint Table of Mobilization and Distribution JTN Joint Targeting Network JTOSS Joint Task-Organized Software Subsystem JTP Joint Training Plan JTR Joint Travel Regulation JTRU Joint Transportation Reserve Unit JTSC Joint Technology Steering Committee JTSG Joint Targets Steering Group JTT Joint Tactics Terminal JTTP Joint Tactics, Techniques and Procedures JTWS Joint Threat Warning System JTX Joint Training Exercise JUAVTC Joint UAV Training Center JUDI Joint Universal Data Interpreter JULL Joint Universal Lessons Learned JULLS Joint Universal Lessons Learned System JUMPS Joint Uniform Military Pay System JUSMAG Joint United States Military Advisory Group JUWC Joint Unconventional Warfare Command JUWTF Joint Unconventional Warfare Task Force JVIDS Joint Visual Integrated Display System JWAC Joint Warfare Analysis Center JWARS Joint Warfare Simulation JWBCA Joint Whole Blood Control Agency JWC (1) Joint Warfare Center; (2) Joint Working Group JWCA Joint Warfighting Capability Assessment JWFC Joint Warfighting Center JWG Joint Working Group JWICS (1) Joint Warning Indications Communications System; (2) Joint Worldwide Intelligence Communications System JWID Joint Worldwide Interoperability Demonstration J2X JTF J2 Support Element