Vehicle maintenance invigorates readiness capabilities Published Sept. 19, 2019 By Senior Airman Derek Seifert 633rd Air Base Wing Public Affairs JOINT BASE LANGLEY-EUSTIS, Va. -- U.S. Army Soldiers with the 597th Transportation Brigade, 832rd Trans. Battalion, 688th Rapid Port Opening Element perform preventative maintenance to ensure the unit's vehicles are not damaged and working properly.