Cpl. Justin M. Goodchild, right, assists Pfc. Luis A. Chavez with locating a simulated enemy target during ground-based air defense training at Marine Corps Outlying Field Atlantic, N.C., Feb. 3, 2015. Both Goodchild and Chavez are low altitude air defense gunners with Alpha Battery, 2nd Low Altitude Air Defense Battalion at Marine Corps Air Station Cherry Point, N.C. Goodchild is a native of Longwood, Fla., and Chavez is a native of Beaumont, Calif. - Cpl. Justin M. Goodchild, right, assists Pfc. Luis A. Chavez with locating a simulated enemy target during ground-based air defense training at Marine Corps Outlying Field Atlantic, N.C., Feb. 3, 2015. Both Goodchild and Chavez are low altitude air defense gunners with Alpha Battery, 2nd Low Altitude Air Defense Battalion at Marine Corps Air Station Cherry Point, N.C. Goodchild is a native of Longwood, Fla., and Chavez is a native of Beaumont, Calif.