Patricia Gray, Air Force District of Washington Asset Optimization Program manager, conducts various water quality experiments to test the effect of contamination gradients on water fleas in 1997 as a high school student. Following graduation from the University of Maryland Baltimore County, Baltimore, she has worked the past 12 years as both a contractor and federal government civilian working with environmental technologies at Joint Base Andrews, Md. (Courtesy photo)
Michael Kleiman
Taken on 21 March 2013
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