Cannon firefighters assigned to the 27th Special Operations Civil Engineering Squadron, prepare for the raising of the flag to half-staff during a ceremony dedicated to the fallen firefighters, Oct. 04, 2015 at Cannon Air Force Base, N.M. The ceremony was in observance of Bells Across America, a day dedicated to paying tribute to fellow firefighters who gave their life in the service of others. (U.S. Air Force photo/Tech. Sgt. Manuel J. Martinez)