Staff Sgt.Woodrow Walkup and Senior Airman Kameron Whitener, 25th Aircraft Maintenance Unit weapons load crew team members, prepare to load 30 millimeter rounds onto an A-10 Thunderbolt II during the Vigilant Ace 16 exercise on Osan Air Base, Republic of Korea, Nov. 1, 2015. The A-10 is a highly accurate and survivable weapons-delivery platform, capable of carrying up to 16,000 pounds of munitions including the 30 millimeter cannon which can penetrate tanks. (U.S. Air Force photo/Senior Airman Kristin High)