LANGLEY AIR FORCE BASE, Va -- Tech. Sgt. Cathryn Leclair, 633d Medical Group NCO in charge of inpatient pharmacy services, sorts out supplies before the Public Disease Outbreak Exercise Oct. 28. This second annual Major Accident Response Exercise involving a disease outbreak is designed to evaluate the distribution of the prophylactic influenza to 5,000 personnel in 48 hours in case of a pandemic outbreak on base. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)(RELEASED)