Sgt. Dillon McDonough, a quality assurance representative with Combat Logistics Company 35, holds up a 20-decibel cable attenuator verified as calibrated and working properly. (U.S. Marine Corps photo by Christine Cabalo)
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MARINE CORPS BASE HAWAII, HI, US
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This work, Calibration lab keeping tools in check [Image 1 of 2], by Christine Cabalo, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.