Maj. Nick Zetocha and Tech. Sgt. Ken Caldwell prepare to launch an F-16 Fighting Falcon aircraft. U.S. Air Force Maj. Nick Zetocha and aircraft mechanic Tech. Sgt. Ken Caldwell, both with the 180th Fighter Wing, Ohio Air National Guard, prepare to launch an F-16 Fighting Falcon aircraft from Nellis Air Force Base, Nev., during a Red Flag exercise on July 13, 2009. Red Flag exercises are designed to provide the most realistic training environments for United States and allied air forces. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 013979-U-TNZ87-684.jpg Photo Gallery