Firefighters from the 325th Civil Engineer Squadron undergo fuel fire training at Tyndall Air Force Base, Fla. This month marks the 20th anniversary of the Department of Defense Fire and Emergency Services Certification Program that ensures military and civilian firefighters are properly trained, certified and qualified. Since it began, the F&ESCP has issued more than 570,000 certificates to more than 160,000 firefighters and federal emergency responders. (U.S. Air Force photo/Eddie Green)