914th Airlift Wing Maintenance Squadron Commander Maj. Catherine Correa simulates a serious head injury during a Mass Accident Response Exercise at the Niagara Falls International Airport, June 8, 2013, Niagara Falls, N.Y. This exercise was designed to evaluate the capability of the Niagara Falls Air Reserve Station in responding to a hypothetical accident involving mass casualties and to evaluate the effectiveness its emergency response plan. (U.S. Air Force photo by Tech. Sgt. Joseph McKee)