U.S. Marine Corps 1st Lt. David E. Erickson, G-3 operations administrative officer in charge with 3rd Marine Aircraft Wing (Forward) assesses his target at Camp Leatherneck, Helmand province, Afghanistan, Oct. 19, 2012. Erickson conducted a battlefield zero to ensure his weapon functioned properly.
Sgt. Keonaona Paulo
Taken on 19 October 2012
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