The 17th Aviation Brigade was a military formation of the United States Army. It was originally activated at Nha Trang, Vietnam, as the 17th Aviation Group (Combat) on 15 December 1965 under the 1st Aviation Brigade. Later it moved to Tuy Hoa in November 1970 and then to Pleiku in January 1972. The group had the mission of commanding and controlling all non-divisional assets in II Corps Tactical Zone, under I Field Force. The 10th, 14th, 52d, 223rd and 268th Aviation Battalions as well as the 7th Squadron, 17th Cavalry served with the group. Units The following companies and detachments were also under the 17th Aviation Group: I Corps (Provisional), December 1965 – July 1966; expanded into the I Corps Aviation Battalion (Provisional) 57th Aviation Company (Assault Helicopter), April 1972 – March 1973; departed Vietnam 58th Aviation Detachment, October 1968 – January 1972; departed Vietnam 60th Aviation Company (Assault Helicopter), January 1972 – March 1973; departed Vietnam 129th Aviation Company (Assault Helicopter), April 1972 – March 1973; departed Vietnam 180th Aviation Company (Assault Support Helicopter), January 1972 – February 1972; transferred to the 7th Squadron, 17th Cavalry; second tour: April 1972 – February 1973; departed Vietnam 220th Aviation Company (Surveillance Light Aircraft), December 1965 – August 1966; transferred to I Corps Aviation Battalion (Provisional) 361st Aviation Company (Aerial Weapons), April 1972 – August 1972; departed Vietnam Troop H, 10th Cavalry (Air), April 1972 – February 1973; departed Vietnam. Utilized assets of Troop C, 7th Squadron, 17th Cavalry Troop H, 17th Cavalry (Air), April 1972 – February 1973; departed Vietnam. Utilized assets of Troop B, 7th Squadron, 17th Cavalry Troop K, 17th Cavalry (Air), October 1970 – December 1970; departed Vietnam. Utilized assets of Troop D, 7th Squadron, 17th Cavalry 119th Aviation Company During the Vietnam War, one of the units that became part of the 52d Aviation Battalion (Combat), 17th Aviation Group (Combat) was the 119th Aviation Company (Assault Helicopter). The company operated throughout the Central Highlands of Vietnam during the war, from arrival in September 1962 until inactivation in November 1970. Originally designated the 81st Transportation Company and equipped with twin-rotor Piasecki CH-21 "Flying Banana" piston-engined helicopters, the company arrived in Pleiku, Vietnam, on 17 September 1962. On 25 June 1963 its assets were used to form the 119th Aviation Company (Assault Helicopter)(Airmobile), and it was re-equipped with turbine-powered single-rotor Bell UH-1A and UH1-B Hueys. The company's area of