Marine Lt. Col. David Berke, commanding officer for the Marine Fighter Attack Training Squadron 501, taxis in from completing the 100th F-35 Lightning II sortie at the 33rd Fighter Wing, Eglin AFB, Fla., July 11, 2012. The 33 FW’s 100 flights completed include 74 F-35A sorties and F-35B sorties. Current flying operations at the wing consist of Marine and Air Force fighter pilots checking out in the F-35 variants for each service. (U.S. Air Force photo/Maj. Karen Roganov)