List of acronyms: J
(Main list of acronyms)
- J – Joule
J0–9
- J1 – Joint Personnel Directorate
- J2 – Joint Intelligence Directorate
- J2EE – Java 2 Platform, Enterprise Edition
- J2ME – Java 2 Platform, Micro Edition
- J2SE – Java 2 Platform, Standard Edition
- J3 – Joint Operations Directorate
- J4 – Joint Logistics Directorate
- J5 – Joint Strategic Plans & Policy Directorate
- J6 – Joint Information Technology Directorate
- J7 – Joint Operational Plans & Interoperability Directorate
- J8 – Joint Force Structure, Resources, & Assessment Directorate
- J9 – Joint Public Affairs Directorate
JA
- ja – Japanese language
- JA – Japan
- Jabodetabek – Jakarta, Bogor, Depok, Tangerang, Bekasi
- JAFT – Just A Field Test
- JAG – Judge Advocate General Corps
- JAL – Japan Airlines
- JALLC – Joint Analysis and Lessons Learned Centre
- JAM – Jamaica JAMA – Journal of the American Medical Association
- JAOA- Journal of the American Osteopathic Association
- JANET
- * Joint Academic Network
- * Just Another Non-Existent Terminal or Joint Air Network for Employee Transportation or Janet Airlines, a highly classified air shuttle service for the USAF, serving Area 51 and the Tonopah Test Range
- JANUS
- * Joint Academic Network Using Satellites
- * Joint Army Navy Uniform Simulation
- * Joint Army-Navy Staff
- * Just ANother Useless Simulation
- JAS
- * Japan Air System, defunct Japanese airline
- * Japanese Agricultural Standard
- * Jericho Appreciation Society, former professional wrestling stable
- * Journal of Applied Statistics
- JATO – Jet-Assisted Take-Off
- jav – Javanese language
JB
- JB – Junior Branch
- JB – Jail Bait
- JBFSA – Joint Blue Force Situational Awareness
- JB- Justin Bieber
JC
- JCATS – Joint Conflict And Tactical Simulation
- JCDB – Joint Common Data Base
- JCDS – Joint Chiefs of the Defence Staff
- JCIDS – Joint Capabilities Integration and Development System
- JCIET – Joint Combat Identification Evaluation Team
- JCL – Job Control Language
- JCMOTF – Joint Civil-Military Operations Task Force
- JCP – Java Community Process
- JCS – Joint Chiefs of Staff
- JCW – Juggalo Championship Wrestling
JD
- JD
- * Jack Daniel's
- * Julian day
- * Juris Doctor
- JDAM – Joint Direct Attack Munition
- JDBC – Java Data Base Connectivity
- JDCC – UK Joint Doctrine and Concepts Centre, now the Development, Concepts and Doctrine Centre
- JDEM – Joint Dark Energy Mission
- JDK – Java Development Kit
- JDL – Jewish Defense League
- JDM
- * Japanese domestic market, referring specifically to automobiles and parts
- * Java Data Mining
- * Joint design manufacturing
JE
- JE – Jersey
- JEB
- * James Ewell Brown (Stuart)
- * John Ellis Bush
- JEDP – Jahwist, Elohist, Deuteronomist, Priestly
- JEE – Java Platform, Enterprise Edition
- JEFX – Joint Expeditionary Force eXperiment
- JEPD
- * Jahwist, Elohist, Priestly, Deuteronomist
- * Jointly Exhaustive, Pairwise Disjoint
- JET – Joint European Torus
- JEZ – Joint Engagement Zone
JF
- JFACC – Joint Force Air Component Commander
- JFACTSU – U.K. Joint Forward Air Controller Training and Standards Unit
- JFC – Joint Force Commander
- JFCOM – U.S. Joint Forces Command
- JFET – Junction Field-Effect Transistor
- JFHQ-NCR – Joint Force Headquarters National Capital Region
- JFK – John Fitzgerald Kennedy or the airport named after him.
- JFLCC – Joint Force Land Component Commander
- JFMCC – Joint Force Maritime Component Commander
- JFO – Journal of Field Ornithology
- JFSOCC – Joint Force Special Operations Component Commander
- JFTX – Joint Field Training Exercise
- JFF- Jamaica Football Federation
JH
JI
- JI – Joint Implementation
- JIB – Joint Information Bureau
- JIC – Joint Intelligence Centre
- JINI – Java Intelligent Network Infrastructure
- JITC – Joint Interoperability Test Command
- JIVE – Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe
JJ
JK
- JK – Jedi Knight – Just Kidding – Spanair – Jammu & Kashmir
JL
- JL – Japan Airlines
- JLA – Justice League of America
JM
- JM – Jamaica
- JMD – Jamaican dollar
- JMS – Java Message Service
JN
- JN – Jan Mayen Island
- JNI – Java Native Interface
- JNLP – Java Network Launch Protocol
JO
- JO – Jordan
- JOA – Joint Operations Area
- JOD – Jordanian dinar
- Jofa – Jonssons fabriker
- JOPES – Joint Operations Planning and Execution System
- JOR – Jordan
- JOTS – Joint Operations Tactical System
- JSP – Joint Services Publication
JP
- JP – Japan – Justice of the Peace
- JPEG – Joint Photographic Experts Group
- JPL – Jet Propulsion Laboratory
- jpn – Japanese language
- JPN – Japan
- JPY – Japanese yen
JQ
- JQ – Jetstar – Johnny Quick – Johnston Atoll – Jonny Quest – Joshua Quagmire
JR
- JRA – Japanese Red Army – Joint Rear Area
- JRDF – Joint Rapid Deployment Forces
- JRE – Java Runtime Environment
- JREF – James Randi Educational Foundation
- JROC – Joint Requirements Oversight Council
- JROCM – JROC Memorandum
- JRRF – Joint Rapid Reaction Force
- JRSAI – Journal of the Royal Society of Antiquaries of Ireland
JS
- JSAB − Just Shapes & Beats
- JSAF – Joint Semi-Automated Forces
- JSAP – Japan Society of Applied Physics
- JSCSC – Joint Services Command and Staff College
- JSD – juris scientiae doctor
- JSDF – Japan Self-Defense Forces
- JSEAD – Joint Suppression of Enemy Air Defence
- JSF – Joint Strike Fighter
- JSIMS – Joint Simulation System
- JSOA – Joint Special Operations Area
- JSOTF – Joint Special Operations Task Force
- JSP – JavaServer Page
- JSR – Java Specification Request
- JSS – Joint Support Ship Project
- JSTARS – Joint Surveillance Target Attack Radar System
JT
- JT – Johnston Atoll – Junior Technician -- Jizz trumpet
- JTAG – Joint Test Action Group
- JTAGS – Joint Tactical Ground Station
- JTC – Joint Training Confederation
- J-TENS – Joint-Tactical Exploitation of National Capabilities
- JTF – Joint Task Force
- JTFEX – Joint Task Force Exercise
- JTIDS – Joint Tactical Information Distribution System
- JTLS – Joint Theater Level Simulation
- JTMD – Joint Theatre Missile Defence
- JTN – Johnston Atoll
- JTRS – Joint Tactical Radio System
JU
- JU – Juan de Nova Island
- JUGFET – JUnction Gate Field-Effect Transistor
- JUICE – JUpiter ICy Moon Explorer
- JUO – Joint Urban Operations
JV
JW
- JW – Jehovah's Witnesses
- JWARS – Joint Warfare System
- JWP – Joint Warfare Publication
- JWST – James Webb Space Telescope
JY
JZ
- JZ – Joint Zone