FORMATION FOUR A B-52 Stratofortress from the 23rd Expeditionary Bomb Squadron leads a formation of U.S. Air Force F-16 Fighting Falcons and a U.S. Navy EA-6B Prowler over Guam during Cope North 09-1, Feb. 10, 2009. Cope North 09-1 is a bilateral exercise to enhance air operations in defense of Japan. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 735441-E-OSQ51-503.jpg Photo Gallery