U.S. Army Private Antonio Boswell, 366th Training Squadron water and fuels systems maintenance apprentice course student, sands a copper line to prepare it for soldering at Sheppard Air Force Base, Texas, May 8, 2019. Proper interior plumbing is key to a good quality of life for personnel base wide. Upon graduation, these students will have acquired the skills needed to contribute to the access of clean water for everyday use across the installation. (U.S. Air Force photo by Senior Airman Ilyana A. Escalona)