Army Sgt. David Shaffee, San Antonio Military Medical Center, Family and Community Medicine, assists Ken Lawsen, a city of Austin, Texas, paramedic supervisor apply moulage to nursing student, Valerie Rios at the Alzafar Shrine Temple, in San Antonio. Nursing students from seven medical schools from around the city of San Antonio, volunteered to become patients during the San Antonio Mass casualty Exercise Event, Sept. 19, 2013. The exercise was organized by Southwest Texas Regional Advisory Council or STRAC. (U.S. Air Force Photo/Senior Master Sgt. Minnie Jones)