Oscar Humberto Perez Gutierrez, who has worked as an airport firefighter for 30 years, takes a break from training during the CENTAM SMOKE exercise Aug. 28, 2015, at Soto Cano Air Base, Honduras. The exercise, known as Central America Sharing Mutual Operational Knowledge and Experience, or "CENTAM SMOKE," brings together U.S. and Central American firefighters to train and improve their ability to work together. (U.S. Air Force illustration by Staff Sgt. Jessica Condit)