Staff Sgt. Dustin Machen, 389th Aircraft Maintenance Unit weapons loader from Moutain Home Air Force Base, Idaho, performing final checks on an F-15 Eagle fighter jet during a load crew competition at Nellis Air Force Base, Nevada, April 13, 2018. Load crew competitions provide weapons loaders the opportunity to display their weapons loading skills to their peers and superiors.(U.S. Air Force photo by Airman 1st Class Andrew D. Sarver)