Col. David W. Maxwell, commander, Marine Corps Base Quantico, and Sgt. Maj. Mark A. Byrd Sr., base sergeant major, stand at attention after placing a wreath at the grave site of President James Madison during Monday’s ceremony at Montpelier to commemorate the 264th birthday of the nation’s fourth president. - Col. David W. Maxwell, commander, Marine Corps Base Quantico, and Sgt. Maj. Mark A. Byrd Sr., base sergeant major, stand at attention after placing a wreath at the grave site of President James Madison during Monday’s ceremony at Montpelier to commemorate the 264th birthday of the nation’s fourth president.