A mortarman with the 24th Marine Expeditionary Unit’s Ground Combat Element, Battalion Landing Team 3rd Battalion, 6th Marine Regiment, drops an 81mm high-explosive mortar in the tube of an M-252 81mm Mortar System during a live-fire exercise at Camp Lejeune, N.C., July 23, 2014. The 24th MEU is currently conducting a Realistic Urban Training exercise, their first major pre-deployment training event in preparation for their deployment at the end of the year. - A mortarman with the 24th Marine Expeditionary Unit’s Ground Combat Element, Battalion Landing Team 3rd Battalion, 6th Marine Regiment, drops an 81mm high-explosive mortar in the tube of an M-252 81mm Mortar System during a live-fire exercise at Camp Lejeune, N.C., July 23, 2014. The 24th MEU is currently conducting a Realistic Urban Training exercise, their first major pre-deployment training event in preparation for their deployment at the end of the year.