Senior Airman Steven McCarthy, 22nd Logistics Readiness Squadron Petroleum, Oils and Lubricants flight fuels laboratory technician, pours fuel through a filter, July 14, 2015, at McConnell Air Force Base, Kan. This process tests fuel for particulate contamination, which can prevent an aircraft from functioning or cause severe problems during flight if untreated. (U.S. Air Force photo by Senior Airman Victor J. Caputo)
Senior Airman Victor J. Caputo
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