Dear Mr. Denson,
Thank you for posting your question on History Hub!
There are two possible avenues of research depending on the time period you are researching.
We searched the National Archives Catalog and located the series Records Relating to the History of the War Department, 1918 - 1941 (documenting 1898 - 1941) in the Records of the War Department General and Special Staffs (Record Group 165) that contains documents relating to the activities of [aero squadrons, air intelligence, the Air Service, arsenals, aviation fields, Cavalry regiments, chemical services, Coast Artillery Corps units, the Engineer Corps, forts and camps, the Intelligence Corps, military schools, the Quartermaster Corps, remount services, the Spanish American War, tables-of-organization, training, and the Transportation Corps]. For more information about these non-digitized records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org.
We searched the National Archives Catalog and located a series titled Cavalry Unit Records, ca. 1965 - ca. 1973 in the Records of the U.S. Forces in Southeast Asia (Record Group 472) that includes the records of [UNIT] for [dates]. For more information about these non-digitized records, please contact the National Archives at College Park - Textual Reference (RDT2) at email@example.com.
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