U.S. Marine Cpl. Matthew A. Prest, right, a rifleman

U.S. Marine Cpl. Matthew A. Prest, right, a rifleman with Battalion Landing Team, 2nd Battalion, 6th Marine Regiment, 26th Marine Expeditionary Unit (MEU), assists Lance Cpl. Noel F. Vicenciojuarez, a rifleman, in inspecting an M32A1 40mm grenade launcher before firing during a live-fire shooting range on Camp Lejeune, N.C., Jan. 16, 2018. The shooting range was held to increase the unit’s proficiency and knowledge of 40-mm high-explosive grenade launching weaponry for the upcoming deployment of both Marines and Sailors. (U.S. Marine Corps photo by Lance Cpl. Tojyea G. Matally)