U.S. Marine Corps Staff Sgt. William T. Rueppel, safety staff noncommissioned officer-in-charge assigned to Engineer Company, Marine Wing Support Squadron 272, Marine Corps Air Station New River, N.C., monitors his Marines who are constructing a border security road near Nogales, Ariz., Mar. 19. - U.S. Marine Corps Staff Sgt. William T. Rueppel, safety staff noncommissioned officer-in-charge assigned to Engineer Company, Marine Wing Support Squadron 272, Marine Corps Air Station New River, N.C., monitors his Marines who are constructing a border security road near Nogales, Ariz., Mar. 19.