SPINSTRA visits local school
U.S. Air Force Tech. Sgt. Christopher L. Bailey, 312th Training Squadron instructor supervisor, points a red laser at a classroom wall at Lee Middle School in San Angelo, Texas, May 19, 2015. Bailey taught 8th grade students about the visible light spectrum and how his tools can measure the true color of light from any light source. (U.S. Air Force photo by Airman 1st Class Devin Boyer/Released)
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Airman st Class Devin BoyerReleased
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