Senior Master Sgt. Cornell Jolley, 512th Civil Engineer Squadron Emergency Management manager, right, discusses emergency management options with Col. Gretchen M. Wiltse, Emergency Operations Center commander and 512th Mission Support Group commander, during a simulated chemical attack at Dover Air Force Base, Del., July 9, 2011. The exercise is preparation for the Operational Readiness Inspection the 512th and 436th Airlift Wings will undergo in December, 2011. ORIs are conducted to evaluate and measure the ability of a unit to perform in wartime, during a contingency or a force sustainment mission. (U.S. Air Force photo by Capt. Marnee A.C. Losurdo)