Lab Photo Story
Senior Airman Alex Hastings performs a manual specific gravity test for dehydration, hormone balances among several other items on an urine sample at the Clinical Laboratory on Charleston AFB, March 23. The lab receives more than 500 blood and urine samples weekly. Airman Hastings is a laboratory technician with the 437th Medical Group. (U.S. Air Force photo/Senior Airman Katie Gieratz)