9 MDSS Laboratory
U.S. Air Force Staff Sgt. Jennifer Johnson, 9th Medical Support Squadron laboratory technician, tests a urine sample at the medical laboratory on Beale Air Force Base, Calif., Nov. 9, 2011. The laboratory takes blood and urine samples for testing to ensure military members are healthy. (U.S. Air Force photo by Staff Sgt. Jonathan Fowler)

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Photo by: Staff Sgt. Jonathan Fowler  |  VIRIN: 111109-F-EO463-016.JPG