Ready to refuel

Two HH-60 Pave Hawks maneuver behind an HC-130 King to perform a helicopter air refueling Oct. 16, 2011, at Davis-Monthan Air Force Base, Ariz., during Angel Thunder 2011. Angel Thunder is an Air Combat Command sponsored personnel recovery/combat search and rescue exercise that combines Department of Defense and non-DoD assets. (U.S. Air Force photo/Staff Sgt. Andy M. Kin)