U.S. Army Soldiers with the 689th Rapid Port Opening Element, 832nd Transportation Battalion, 597th Transportation Brigade, loosen straps that are used to secure cargo onto a pallet at Joint Base Langley-Eustis, Virginia, June 14, 2019. Each pallet of cargo must be tracked using a Portal Deployment Kit and must be moved to its next location in a timely manner. (U.S. Air Force photo by Senior Airman Delaney Gonzales)