Maj. Gen. Jeffery Lofgren, U.S. Air Force Warfare Center commander, provides remarks during the F-35A Lightning II arrival ceremony March 19, 2013, in the Thunderbird Hangar on Nellis Air Force Base, Nev. The 422nd Test and Evaluation Squadron will design the tactics for the F-35A. The squadron will also determine how to integrate the F-35A with other aircraft in the Air Force inventory. (U.S. Air Force photo by Lawrence Crespo)