Warrior of the Week/Staff Sgt. Christina Herrera
BAGRAM AIRFIELD, Afghanistan— Staff Sgt. Christina Herrera examines category five cables at Bagram Airfield, Afghanistan, April 3, 2012. Herrera is noncommissioned officer in charge of the Medical Information Systems Help Desk with the 455th Expeditionary Medical Support Squadron and is deployed from Lackland Air Force Base, Texas. (U.S. Air Force photo/Airman 1st Class Ericka Engblom)