A New U.S. Air Force HC-130J Combat King II stands positioned on the flight line at Davis-Monthan Air Force Base, Ariz., Dec. 15, 2011. The HC-130J conducts missions from homeland defense to contingency operations. The aircraft conducts civilian and combat search and rescue, medical evacuations, disaster and humanitarian relief, security cooperation and non-combatant evacuations. (U.S. Air Force photo by Airman 1st Class Christine Griffiths/Released)