Gunnery Sgt. William Kevin Walker, a veteran of the U.S. Marine Corps Reserve Pistol Shooting Team, shoots his pistol at eight-inch steel targets during a three gun competition in Park City, Ky., April 29, 2011. The Gulfport, Miss., native primarily trains Marine Forces Reserve combat marksmanship trainers at a two week course at Marine Corps Base Quantico, Va., every October. He and other members of the pistol team participate in various shooting events in order to learn about different aspects of shooting and take the knowledge back to students.