David Cleland, 81st Infrastructure Division firefighter, communicates with fellow responders during a major accident response exercise Feb. 12, 2015, on the flight line, Keesler Air Force Base, Miss. The MARE simulated a C-130J Hercules aircraft crash on base. The exercise was held to test the readiness of Keesler personnel during a major accident. (U.S. Air Force photo by Kemberly Groue/Released)