U.S. Air Force Airman 1st Class Logan Rackers, 21st Airlift Squadron C-17 Globemaster III loadmaster, assists the pilots in backing up a C-17 before a training mission at Travis Air Force Base, California, Oct. 17, 2018. Travis Airmen conduct training events to stay current and be prepared for future mobility operations. (U.S. Air Force Photo by Master Sgt. Joseph Swafford)