In the Bell Iroquois commonly known as the Huey first flew as an Army replacement for the H medevac helicopter of Korean War fame The first Hueys to operate in Vietnam were medevac HUAs that arrived in April before the United States became officially involved in the conflict These Hueys supported the South Vietnamese Army but American crews flew them In October the first armed Hueys equipped with inch rockets and caliber machine guns began flying in Vietnam The main role of these Huey gunships was to escort Army and Marine transport helicopters By the end of the Army was flying more than A and B model Hueys
