Atlantic Command may refer to: United States Atlantic Command, 1947–99, U.S. Naval command responsible for guarding the Atlantic shipping lanes during the Cold War Atlantic Command (Canadian Army), 1940–44, Canadian Army formation responsible for Atlantic coastal defense Canadian Northwest Atlantic Command, 1942–45, Allied command responsible for protecting the shipping lanes across the North Atlantic Allied Command Atlantic, 1953–2003, NATO command in charge of guarding the Atlantic shipping lanes during the Cold War