The display, which also features identifying information and photos of each service member, will remain up through Memorial Day. NEWPORT — Edna Conley and Elizabeth Gamble stood side-by-side looking over row upon row of meticulously placed boots on the ground inside Fort Adams. The small American flags accompanying each boot fluttered wildly in the gusty breeze Friday morning. They were with a group from the Brentwood by the Bay assisted-living community in Warwick to visit the Boots on the Ground for Heroes Memorial that honors the roughly 7,000 U.S. service members killed in action since the Sept. 11 terrorist attacks. “These veterans gave their lives and livelihoods so we have freedom today and can be in America with health and happiness for our families and ourselves,” Gamble said. “We didn’t do it. They did it.” Many from their group have strong military ties. All three of Conley’s sons served in different branches of the armed forces, the Marines, Navy and Coast Guard. There were two veterans among them, Walter Lada, a retired Army sergeant, and Albert Smith, a retired private first class in the Army. Smith, who was stationed at a chemical center in Maryland, never experie...