F-35 unveiling
Undersecretary of the Air Force Eric Fanning is briefed by Craig Killmer during a tour of the Academic Training Center construction site on March 14, 2014, at Luke Air Force Base, Ariz. The 145,000 square-foot facility will include pilot academic training classrooms, 12 F-35 simulators, a secured briefing auditorium, and space for administrative, instructor and engineering personnel. Killmer is the Archer Western Contractors project manager. (U.S. Air Force photo/Staff Sgt. Darlene Seltmann)