Sgt. David Mortensen poses for a photo with an M40 A5 rifle in an undated photograph at the Marine Corps Air Ground Combat Center 29 Palms, Calif. Mortensen was the first winner of the Marine Corps Scout Sniper Instructor of the Year Award. - Sgt. David Mortensen poses for a photo with an M40 A5 rifle in an undated photograph at the Marine Corps Air Ground Combat Center 29 Palms, Calif. Mortensen was the first winner of the Marine Corps Scout Sniper Instructor of the Year Award.