DAVIS-MONTHAN AIR FORCE BASE, Ariz. — A U.S. Air Force HH-60G Pave Hawk sits on the flight line at Davis-Monthan Air Force Base, Arizona, Feb. 13, 2020. The Pave Hawk is a twin-engine, medium-lift helicopter operated by Air Combat Command, Pacific Air Forces, U.S. Air Forces in Europe and other major commands.