 Complete the following phrase:  The 37th ARRS remained at Dag 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 Dag as Detachment 7 of the 40th ARRS to provide base rescue during 