Army Pfc. Ryan Sivahop, Delta Company, 169th Engineer Battalion, uses a blowtorch to solder copper pipe during a water and fuel systems maintenance course plumbing class at Sheppard Air Force Base, Texas, Dec. 5, 2014. Students troubleshoot plumbing systems and make repairs so all fixtures operate properly. ( Air Force Photo Danny Webb

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Size: 1587px × 1575px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, fuel, military, states, systems, united, usa, water