Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California

Firefighter Staff Sergeant Jeremy Luedtke, member of the 60th Civil Engineer Squadron takes part in the emergency response exercise on Travis Air Force Base, California on 25 January 2010. (U.S. Air Force photo by Civ/Nan Wylie)

Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California Travis Air Force Base, California

Designated Incident Commander Assistant Chief Rob Jones confers with Lead Firefighter Staff Sergeant Jeremy Luedtke, during an emergency response exercise on Travis Air Force Base, California on 25 January 2010. Both are members of the 60th Civil Engineer Squadron. (U.S. Air Force photo by Civ/Nan Wylie)

Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California

Bio Environmental Team Leader, 1st Lieutenant Raymond Mak communicates with Travis personal from the designated emergency operations center during the emergency response exercise on 25 January 2010 at Travis Air Force Base, California. 1st Lt Mak is a member the 60th Aerospace Medicine Squadron. (U.S. Air Force photo by Civ/Nan Wylie)

Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California

60th Security Forces Squadron member, Airman 1st Class Christopher Webb, provides security for the emergency service team entering a building during a simulated active shooter-exercise on 25 January, 2010 at Travis Air Force Base, California. (U.S. Air Force photo by Civ/Nan Wylie)

Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California

Right, Captain Justin Hickey, member of the 660th Aircraft Maintenance Squadron and Chief Master Sergeant Mike Biondo, member of the 60th Maintenance Squadron provide "Self Aid Buddy Care" to simulated injured victim Airman 1st Class Nicholas Peterson member of the 60th Maintenance Squadron during the emergency response exercise on Travis Air Force Base, California on 25 January 2010. (U.S. Air Force photo by Civ/Nan Wylie)

Emergency Response Exercise, 25 January 2010 Travis Air Force Base, California

Standing, Senior Airman Michelle Fricks and Staff Sergeant Tavarus Hartman provide security while additional emergency response personal clear a room during a simulated active shooter-exercise on 25 January, 2010 at Travis Air Force Base, California. Both members of the 60th Security Forces Squadron. (U.S. Air Force photo by Civ/Nan Wylie)