U.S. Air Force Maj. Tyler Clark, F-15 Eagle pilot assigned to the 67th Fighter Squadron, Kadena Air Base, Japan, prepares to take off during Exercise Cope North (CN) 20 at Andersen Air Force Base, Guam, Feb. 11, 2020. Exercise CN is an annual U.S. Pacific Air Forces trilateral field training exercise with participants from the U.S. Air Force, U.S. Navy, U.S. Marine Corps, Japan Air Self-Defense Force and the Royal Australian Air Force. The primary intent of CN is to enhance coordination of combined air tactics, hone techniques and procedures while strengthening security and stability in the Indo-Pacific region. (U.S. Air Force photo by Master Sgt. Richard P. Ebensberger)