MILFORD, Mass. – Staff Sgt. Jimmy Lok, 54th Massachusetts Volunteer Regiment, Massachusetts Army National Guard, stands vigil next to the picture of Spc. Dennis C. Poulin after he placed it upon the Memorial Wall of Remembrance at the Massachusetts National Guard's Joint Force Headquarters in Milford, Mass., May 26, 2011. Spc. Poulin, Headquarters and Headquarters Company, 1st Battalion, 181st Infantry Regiment died March 31, 2011 from injuries sustained from a military vehicle accident while conducting a mounted combat patrol near Chowkay, Afghanistan.