Staff Sgt. Aaron Waite, 28th Medical Operations Squadron bioenvironmental engineering technician, explains his job to Dr. Roger Wilson, 28th Medical Group honorary commander, during a Military Affairs Committee luncheon at the 28th Medical Group on Ellsworth Air Force Base, S.D., July 18, 2013. Waite is using a Surveillance and Measurement 940 radiation detector in a Level B hazardous material suit to illustrate one of his many roles as a bioenvironmental engineering technician. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)