FIREFIGHTER EXERCISE U.S., French and Djiboutian firefighters respond to a mass casualty exercise on the flight line of the Djibouti International Airport in Djibouti, June 17, 2008. The joint exercise trains the three fire departments on how to work together during an accident or emergency. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 216161-J-CKM92-300.jpg Photo Gallery