Discover Our Collections Type > Text (remove) Collection > National Security Files (remove) Series > Intelligence Files (remove) Limit your search Tag Digital item (1) Type Text (1) Collection National Security Files (1) Series Intelligence Files (1) Specific Item Type Folder (1) Time Period Presidential (Nov. 22, 1963-Jan. 20, 1969) (1) 1 results Folder, "Plane Downed in Hainan Territorial Waters - Feb. 1968," Intelligence Files, NSF, Box 2 (Item)