ELLSWORTH AFB, S.D. - Senior Airman Irvin Vasquez, 28th Civil Engineer Squadron firefighter, sprays a barrel during the 2010 Ellsworth Firefighter Challenge, Oct. 1. The competition helped lead the base into Fire Prevention Week, Oct 3 - 9. The message of this year’s Fire Prevention Week is: “Smoke Detectors, a sound you can live with.” (U.S. Air Force photo/Staff Sgt. Marc I. Lane)