Full FAA Chronology at this link.
19450327: An interdepartmental memorandum between the State, War, Navy, and Commerce Departments set up an Air Coordinating Committee (ACC) for the purpose of achieving an integrated and coordinated Federal aviation policy. In May 1946, the ACC established an airspace subcommittee to carry on the work of the Interdepartmental Air Traffic Control Board (IATCB), which had