Contains the following types of materials: documents, newspapers. Contains information pertaining to the following war and time period: World War I (WWI) -- United States (US), WWI -- Western Front, 1920s. Contains information pertaining to the following military units and organizations: Coast Defenses of Cape Fear, 2nd US Trench Mortar Battalion, Coast Artillery Corps. General description of the collection: The John Ditmars Ong papers include miscellaneous routine papers concerning service at Fort Caswell, North Carolina, January-February 1918, transfer to and service with Trench Artillery in France, 1918-1919, various major commercial newspapers, 1918-1919, commission as captain of Coast Artillery, 1925.