Staff Sgt. Eric Barnes, 509th Maintenance Squadron test cell assistant section chief, and Airman 1st Class Lester Popham, 509th MXS aerospace propulsion apprentice, close an inlet bell mouth for a B-2 Spirit engine inside the test cell, Feb. 13. The inlet bell mouth stabilizes air and simulates an engine in flight while in the test cell. (U.S. Air Force photo/Staff Sgt. Nick Wilson)
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WHITEMAN AIR FORCE BASE, MO, US
This work, ‘It’s a hard knock life’ for engine mechanics [Image 1 of 10], by SSgt Nicholas Wilson, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.