VERTICAL HOLD A U.S. Air Force F-16 Fighting Falcon pilot conducts an unrestricted vertical climb from Andersen Air Force Base, Guam, during Exercise Cope North, Feb. 15, 2010. The U.S. Air Force and the Japan Air Self-Defense Force conduct the exercise annually at Andersen to increase combat readiness and interoperability. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 105392-V-NNW18-350.jpg Photo Gallery