ALASKA FALCON U.S. Air Force Staff Sgt. David Kessler marshals a F-16 Fighting Falcon on Eielson Air Force Base, Alaska, Feb. 5, 2009. Kessler controls the movement of the aircraft with hand signals for final safety checks at the end of the runway as well as ensures crew safety. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 304954-Y-QTG95-744.jpg Photo Gallery