An Antonov An-124-100 Ruslan that transported two French Air Force Caracal EC-735 helicopters to participate in Exercise Angel Thunder with French Air Force personnel, taxis upon arrival at Davis-Monthan Air Force Base, Ariz., May 2, 2014. Angel Thunder provides personnel recovery and combat search and rescue training for combat aircrews, pararescuemen, intelligence personnel, battle managers and joint search and rescue center personnel. (U.S. Air Force Photo by Airman 1st Class Chris Massey/Released)