Water Dog Pfc. Christopher M. Bullard, 20, from Purcell, Okla., assigned to Company A, 173rd Brigade Support Battalion, cleans the floor to prevent mildew in the flush tank hose of the new $1.2 million, 3,000-gallon-per-hour Reverse Osmosis Water Purification Unit Dec. 28 at Forward Operating Base Fenty in eastern Afghanistan. (U.S. Army Photo/Spc. Gregory Argentieri)
Spc. Gregory Argentieri
Taken on 28 December 2007
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