Master Sgt. Don Pierson, logistics manager for the I.G. Brown Training and Education Center, finds the heat index reading here June 17, 2014, in a chart outside his office. The 88-degree factored morning temperature tells Pierson to announce a Red Flag Condition and a 25/75 percent work rest cycle for staff and students. (U.S. Air National Guard photo by Master Sgt. Mike R. Smith/Released)
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MCGHEE TYSON AIR NATIONAL GUARD BASE, TN, US
This work, Climbing temperatures apparent [Image 1 of 10], by MSgt Michael Smith, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.