121030-F-DD815-002
Petty Officer 2nd Class Luke Timmerman, a member of the U.S. Navy Mobile Utilities Support Equipment team, conducts some tests on a low voltage power circuit breaker at the U.S. Strategic Command building here Oct. 30, 2012.

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Photo by: Tech. Sgt. Markus M. Maier |  VIRIN: 121116-N-ZZ182-2612.jpg