U.S. Army Spc. Ka’Shawn Byrd, a transportation management coordinator assigned to the 597th Transportation Brigade, 832nd Trans. Battalion, 688th Rapid Port Opening Element, performs an oil check on a Humvee at Joint Base Langley-Eustis, Virginia, Sept. 16, 2019. The 688th RPOE maintains Humvees, different variations of forklifts, medium tactical vehicle and a load handling system to accomplish their mission. (U.S. Air Force photo by Senior Airman Derek Seifert)