Angel Thunder 2011
Two HH-60 Pave Hawk helicopters from the 943rd Rescue Group launch from Davis Monthan Air Force Base, Ariz. during a training alert mission as part of the Angel Thunder 2011 combat-search-and-rescue exercise. The multi-agency and multinational exercise had more than 1,400 participants involved in CSAR operations. (U.S. Air Force Photo/ Master Sgt. Gregory Gaunt)