U.S. Marines receive a brief about their responsibilities from Recruiting Substation Woodbridge’s staff noncommissioned officer in charge, Gunnery Sgt. Jonathan Gwin, at RSS Stafford in Va., Nov. 17. - U.S. Marines receive a brief about their responsibilities from Recruiting Substation Woodbridge’s staff noncommissioned officer in charge, Gunnery Sgt. Jonathan Gwin, at RSS Stafford in Va., Nov. 17.