A Joint Task Force is a "joint" (multi-service) ad hoc military formation. The task force concept originated with the United States Navy in the 1920s and 1930s."Combined" is the British-American military term for multi-national formations. CTF – Commander Task Force, sometimes Combined Task Force CCTF – Commander Combined Task Force CJTF – Combined Joint Task Force There are two ways in which a U.S. or U.S.-allied task force may be assigned a number. The first is the originally naval scheme promulgated and governed by the Military Command, Control, Communications, and Computers Executive Board (MC4EB), chaired by the Joint Staff J6. Task force numbers allocated under this scheme form the majority of the listings below. The second is a by-product of the U.S. Army's procedure for forming task-organised forces for combat, differing from strictly doctrinally assigned table of organization and equipment organizations. A battalion, company or brigade commander has very wide latitude in selecting a task force name, though often the name of the commander is used (e.g. Task Force Faith; Task Force Smith was named for...