Joel Jiskra, 354th Civil Engineer Squadron pipe fitter, repairs a broken steam line 10 feet underground after it burst and melted control wires March 18, 2014, Eielson Air Force Base, Alaska. Eielson has 34 miles of underground utility corridors, which are maintained by the 354th CES. Pipe fitters, alongside water and fuels airmen, endure extremely high temperatures to maintain heat, hot water, and other utilities to the base. (U.S. Air Force photo by Staff Sgt. Shawn Nickel/Released)
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EIELSON AIR FORCE BASE, AK, US
This work, Eielson underground, by SSgt Shawn Nickel, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.