The joint task force representing components of all four u. s armed services is the

USLANTCOM had been active from 1947 to 1993 as a main U.S. Navy command, focused upon the wartime defence of the Atlantic sea lanes against Soviet Union attack. After the end of the Cold War, a 1993 reorganization gave the Command a new acronym, USACOM, and make United States Army Forces Command and Air Combat Command under its authority. USJFCOM was established in 1999 when the old United States Atlantic Command was change its name and given a new mission: leading the transformation of the U.S. military through experimentation and education.