Acronyms: J

Acronym	Name
J-UCAS	Joint unmanned combat air systems
J/S	Jammer-to-signal ratio
J2EE	Java 2 Enterprise Edition
JAA	Joint Aviation Authorities
JAI	Joint Acceptance Inspection
JAR	Joint airworthiness requirement
JAR-AWO	JAR-all weather operations
JAR-OPS	Joint Aviation Regulations Operations
JATO	Jet assisted takeoff
JCA	Joint Cargo Aircraft
JCA	Joint capabilities area
JCAB	Japanese Civil Aviation Bureau
JCAT	Joint Combat Assessment Team
JCN	Job Control Number
JFET	Junction field effect transistor
JFEX	Joint Expeditionary Force Experiment
JFK	John F. Kennedy International Airport
JFX	Joint Forces Exercise
JHMCS	Joint helmet-mounted cueing systems
JIIM	Joint, interagency, intergovernmental and multinational (U.S. Army)
JIM	Joint, Interagency and Multinational
JIPT	Joint integrated product team
JPALS	Joint Precision Approach and Landing System
JPDO	Joint Planning and Development Office
JPDO	Joint Planning and Development Office (U.S.)
JPEO	Joint Program Executive Office
JPL	Jet Propulsion Laboratory
JPO	Joint Planning Office
JPS	Journal processing system
JRANS	Japanese regional air navigation system
JRC	Joint Resource Council
JRC	Joint Resources Council
JSAT	Joint system acceptance test
JSF	Joint Strike Fighter
JSS	Joint Surveillance System
JSTeF	JTRS Science and Technology Forum
JTAG	Joint Test Action Group
JTIDS	Joint tactical information distribution system
JTRS	Joint tactical radio system
JUAS COE	Joint Unmanned Aircraft System Center of Excellence (U.S. Army)
JV	Joint venture
JVMF	Joint variable message format