 The Korean War gave this drive impetus, and the war in Vietnam saw its fruition, as Army aviation units performed a variety of missions, including reconnaissance, transport, and fire support.After the war in Vietnam, the role of armed helicopters as tank destroyers received new emphasis.In recognition of the growing importance of aviation in Army doctrine and operations, Aviation became a separate branch on 12 April 1983, and a full member of the Army's combined arms team.