After the end of World War II, the organization of the United States armed forces was reviewed with a view toward reorganization after the turbulent war years. On December 1, 1947, under a reorganization act of the armed forces approved by Congress, the unified combatant command, United States Atlantic Command, was established with headquarters co-located to those of the U.S. Atlantic Fleet.
Following World War II, the organization of the US armed forces underwent an examination in preparation for future reorganization following the tumultuous war years. On December 1, 1947, a reorganization act was enacted by Congress, resulting in the establishment of United States Atlantic Command as a unified combatant command, with its headquarters situated alongside those of the U.S. Atlantic Fleet.