Bill Peters, a retired Marine major and docent at the National Museum of the Marine Corps, talks with noncommissioned officers from Headquarters and Service Battalion, who met at The Clubs at Quantico April 15 for a professional military education event about the Vietnam, which stretched from 1955 to 1973. - Bill Peters, a retired Marine major and docent at the National Museum of the Marine Corps, talks with noncommissioned officers from Headquarters and Service Battalion, who met at The Clubs at Quantico April 15 for a professional military education event about the Vietnam, which stretched from 1955 to 1973.