In this Tuesday, March 19, 2013 photo, Brig. Gen. James W. Lukeman, Commanding General, 2nd Marine Division, speaks to the media at Camp Lejeune in Jacksonville, N.C., about Monday night's mortar shell explosion killed that seven Marines and injured a half-dozen more during mountain warfare training in Nevada. The exercise involved members of the 2nd Marine Expeditionary Force from Camp Lejeune. (AP Photo/The Jacksonville Daily News, John Althouse)
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