U.S. Air Force F-16 Fighting Falcons conduct a training mission over the Gulf of Alaska, June 16, 2015, during Exercise Northern Edge 15. U.S. Air Force F-16 Fighting Falcons conduct a training mission over the Gulf of Alaska, June 16, 2015, during Exercise Northern Edge 15. SHARE: Download: Full Size (1.93 MB) Tags: photo essays Credit: VIRIN: 008390-Q-SRJ56-256.jpg Photo Gallery