Airman 1st Class Brandon Stone, 509th Civil Engineer Squadron apprentice, detects white powder at Whiteman Air Force Base, Mo., May 22, 2013. The spectrometer is used to identify liquids and powders from suspicious packages that may contain explosives. (U.S. Air Force photo by Airman 1st Class Keenan Berry/Released)
Airman 1st Class Keenan Berry
2013-05-22
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