English abbreviations from j to j5
- J (STARS - Joint Surveillance Target Attack Radar System)
- J# ('J-sharp' a programming language like JAVA)
- J&A (Junked and Abandoned)
- J1 (Joint [Manpower &] Personnel Directorate)
- J-1 (Manpower and Personnel Directorate of A Joint Staff)
- J2 (Joint Intelligence Directorate)
- J-2 (Intelligence Directorate of A Joint Staff)
- J-2A (Deputy Directorate For Administration of A Joint Staff)
- J2-CI (Joint Counterintelligence Office)
- J2EE (Java 2 Platform, Enterprise Edition)
- J-2J (Deputy Directorate For Support of A Joint Staff)
- J-2M (Deputy Directorate For Crisis Management of A Joint Staff)
- J2ME (Java 2 Platform, Micro Edition)
- J-2O (Deputy Directorate For Crisis Operations of A Joint Staff)
- J-2P (Deputy Directorate For Assessment, Doctrine, Requirements, and Capabilities of A Joint Staff)
- J2SE (Java 2 Platform, Standard Edition)
- J-2T (Deputy Directorate For Targeting, Joint Staff Intelligence Directorate)
- J-2T-1 (Joint Staff Target Operations Division)
- J-2T-2 (Target Plans Division)
- J-2X (Joint Force Counterintelligence and Human Intelligence Staff Element)
- J3 (Joint Operations Directorate)
- J-3 (Operations Directorate of A Joint Staff)
- J-35 (Future Operations)
- J4 (Joint Logistics Directorate)
- J-4 (Logistics Directorate of A Joint Staff)
- J5 (Joint Strategic Plans & Policy Directorate)
- J-5 (Plans Directorate of A Joint Staff)
