 Transport helicopters nevertheless proved themselves by moving cargo and personnel during the final months of the war and then by participating in prisoner exchanges and other functions after the cessation of hostilities.During the Korean War, the Department of Air Training at Post Field expanded, and in early 1953, it became the Army Aviation School.As a result of the expansion of both aviation and artillery training, Post Field became overcrowded, and the Army decided to move the Army Aviation School to a different post.