"A Joint Task Force is a \"joint\" (multi-service) ad hoc military formation. The task force concept originated with the United States Navy around the beginning of the Second World War in the Pacific.\"Combined\" is the British-American military term for multi-national formations. CTF - Commander Task Force, sometimes Combined Task ForceCCTF - Commander Combined Task ForceCJTF - Combined Joint Task ForceThere are two ways in which a U.S. or U.S.-allied task force may be assigned a number."@en .