From left, Tech. Sgt. Jeffry Stamm, 436th Aerospace Medicine Squadron Bioenvironmental Engineering flight chief, provides simulated air quality values with Senior Airmen Jorge Rijo and Alexander Delfs, bioenvironmental engineering technicians, during a fuel spill exercise April 20, 2017, near a flightline drainage spill gateon Dover Air Force Base, Del. Rijo relayed the simulated values via radio to the temporary control center, which acted as a communication hub between emergency responders and other installation command agencies. (U.S. Air Force photo by Senior Airman Aaron J. Jenne)