Dean Graves, former Marine officer, bows in prayer at the National Museum of the Marine Corps in Tirangle, Va., on June 15, 2013. Graves participated in a dedication ceremony to honor the Basic Officers Class 3-57. - Dean Graves, former Marine officer, bows in prayer at the National Museum of the Marine Corps in Tirangle, Va., on June 15, 2013. Graves participated in a dedication ceremony to honor the Basic Officers Class 3-57.