Tech. Sgt. Anthony Lowman, 36th Medical Group biological detection team chief, prepares denatured biological samples during proficiency training at Andersen Air Force Base, Guam, Dec. 7, 2012. The 36th MDG laboratory is tested every quarter to ensure their personnel, equipment and identification procedure is proficient in case of a biological attack or medical outbreak. (U.S. Air Force photo/Senior Airman Benjamin Wiseman/Released)