Tech. Sgt. Mike Johanns waits to marshal an F-16 Fighting Falcon during Red Flag 06-02 at Nellis Air Force Base, Nev., on Aug. 15. U.S. and coalition servicemembers are participating in the exercise that concludes today. Sergeant Johanns is a crew chief with the Iowa Air National Guard's 132nd Fighter Wing. (U.S. Air Force photo/Tech. Sgt. Bob Sommer)