Owen, Harold survey sheet - handwritten     Date of Enlistment: Dec. 12, 1917 Volunteer Military Camps to which went: * Fort Slocum, N.Y. Units to which belonged: * 21[st] Co. Ordnance Date of trip overseas: -- Service there: -- Date of return: -- Date of demobilization: April 8, 1918 Honors received: --     NOTES After his handwritten name, on the survey sheet, Harold Owen also indicates, "East Patchogue, L.I." Fort Slocum (2) (Wikipedia) http://fortwiki.com/Fort_Slocum_(2) 391.6.2 Records of units (World War I) (U.S. National Archives. Guide to Federal Records. Records of United States Regular Army Mobile Units, 1821-1942) -- this includes: Records of the 13th-145th Ordnance Depot Companies, 1918-19; Records of 8th-43d Provisional Ordnance Depot Companies, 1918-19. Records of the 1st-59th Ordnance Guard Companies, 1918- 19 -- 21st is likely to be one of these 3 varieties of ordnance companies, due to their numbering. http://www.archives.gov/research/guide-fed-records/groups/391.html