U.S. Airmen with the 139th Civil Engineer Squadron, Missouri Air National Guard, participate in Innovative Readiness Training (IRT), at William Hinds Boy Scout Camp in Raymond, Maine, on May 25, 2016. The IRT is part of a joint operation with the U.S. Marines, Navy, Air National Guard, and Air Force Reserve to help rebuild parts of the camp. (U.S. Air National Guard photo by Senior Airman Sheldon Thompson/Released)