U.S. Airmen from the 19th Air Support Operations Squadron and the German air force travel across Camp Grayling, Mich., during a close air support exercise, April 12, 2017. To further build interoperability and hone their unique skillset, members of the German air force Air Ground Operations Squadron travelled to the U.S. to partner with the 19th ASOS and conduct a close air support exercise working with A-10C Thunderbolts IIs and F-16 Fighting Falcons. (U.S. Air Force photo by Airman 1st Class Daniel Snider)