Staff Sgt. Alisa Picena fastens a blood pressure cuff during a routine medical examination at Kandahar Airfield, Afghanistan, Jan. 28, 2011. Using their advanced medical training along with Self-Aid Buddy Care, Sergeant Picena and a team of medics saved a patient's life during a recent attack against the base. Sergeant Picena is the NCO in charge of the 451st Air Expeditionary Wing clinic and is deployed from the 21st Medical Operations Squadron at Peterson Air Force Base, Colo. (U.S. Air Force photo/Senior Airman Willard E. Grande II)