The 37th Helicopter Squadron is a United States Air Force unit assigned to the 582d Helicopter Group in support of the 90th Missile Wing located at Francis E. Warren Air Force Base, Wyoming. The unit is tasked with flight operations in support of the operation and security of F.E. Warren's intercontinental ballistic missile complex as well as search and rescue missions. The unit operates the UH-1N Huey helicopter. History Performed search, rescue, and recovery missions in the Far East and in Southeast Asia in the conflicts in Vietnam. Since reactivation in 1973, unit performs nuclear convoy security and missile site support at Francis E. Warren AFB. The unit also flies numerous search & rescue missions and casualty evacuation sorties. 37th Aerospace Rescue and Recovery Squadron On 8 January 1966, the 37th ARRS was activated at Da Nang Air Base operating 5 HU-16s on loan from the 31st ARRS and the 33rd ARRS and with a detachment at Udorn Royal Thai Air Force Base. The squadron was responsible for aircrew recovery over North Vietnam, Laos and the Gulf of Tonkin. On 30 March 1966, 2 HC-130s were delivered to Detachment 1 at Udorn RTAFB. A further 3 HC-130s were delivered to Udorn in June 1966. On 16 January 1967, the squadron's HC-130s at Udorn RTAFB were transferred to the newly formed 39th ARRS. Also on 16 January Detachment 2, 37th ARRS was re-designated from Det. 5, 38th ARRS at Udorn RTAFB operating HH-3s. On 2 February 1967, all 5 HU-16s assigned to the 37th ARRS were transferred to the 33rd ARRS at Naha, Okinawa. September 1967, Detachment 2 at Udorn RTAFB received its first 2 HH-53Bs. May 1967, Detachment 1 38th ARRS operating HH-3s at Danang Air Base was reassigned to the 37th ARRS. March 1968, Detachment 2 at Udorn RTAFB was transferred to the 40th ARRS. The 37th ARRS remained at Danang until it was inactivated on 30 November 1972. 5 of its HH-53s were transferred to the 40th ARRS at Nakhon Phanom Royal Thai Air Force Base, while its two HH-43s remained at Danang as Detachment 7 of the 40th ARRS to provide base rescue during Operation Linebacker II. Operations and losses 18 October 1966, Crown Bravo, HU-16B Tail No 51-7145 was on a search and rescue (SAR) orbit north of the DMZ when it radioed a Navy ship that it was returning to Danang. This was the last