Maj. Elisa Hammer, 779th Aeromedical Squadron Bioenvironmental Engineering flight chief, conducts a flight meeting May 3, 2013, at Joint Base Andrews, Md. "There is never a dull moment in bioenvironmental engineering and it is an honor to serve alongside these bright Airmen," Hammer said. (U.S. Air Force photo by Senior Airman Steele C. G. Britton)