ELLSWORTH AIR FORCE BASE, S.D. -- (Left) Airman 1st Class Kenneth Colton and Senior Airman John Vasquez, 28th Civil Engineer Squadron firefighters, roll a hose into a fire truck during a night structural fire training exercise, Feb. 17. The 28th CES fire department conducts various training scenarios to maintain readiness qualifications. (U.S. Air Force photo/Airman 1st Class Corey Hook)