170421-M-QZ288-0006 CHERRY POINT, N.C. (April 21, 2017) Marines assigned to Marine Air Support Squadron (MASS) 1, participate in a Direct Air-Support Center drill in a simulated chemical, biological, radiological, and nuclear (CBRN) attack environment at Marine Corps Air Station Cherry Point, N.C. (U.S. Marine Corps photo by Cpl. Austin A. Lewis/Released)