U.S. Air Force Staff Sgt. Forrest Hutchins, 633d Civil Engineer Squadron water and fuel systems maintenance craftsman, left, and Airman 1st Class Colton Ash, 633d CES WFSM apprentice, performs maintenance on a vacuum pod at Joint Base Langley-Eustis, Virginia, Aug. 9, 2024. Unlike traditional plumbing that is installed vertically and relies on gravitational flow, the vacuum system can be installed on flat terrain. (U.S. Air Force photo by Airman 1st Class Skylar Ellis)