Fire fighter exercise
Todd Canale, 355th Civil Engineering Squadron assistant fire chief, gives a briefing after a joint fire-training exercise with the Tucson International Airport Fire Department at Davis-Monthan Air Force Base, Ariz., Dec. 10, 2013. The training is conducted once a year to maintain proficiency in case of an aircraft fire. (U.S. Air Force photo by Airman 1st Class Betty R. Chevalier/Released)