Powering up the mission
WHITEMAN AIR FORCE BASE, Mo. -- Airman 1st Class Devin Laird, 509th Civil Engineer Squadron electrical systems apprentice performs an operations check on a multimeter before testing voltage on an electrical system, Jan. 29. The meter tests the voltage, current and resistance in electrical circuits. (U.S. Air Force photo/Staff Sgt. Nick Wilson) (Released)

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