Dear Ms. Gust,
Thank you for posting your request on History Hub!
Please note that there was no one operational unit referred to as the “Ritchie Boys”. The term is sometimes used informally to refer to graduates of the Military Intelligence Training Center located in Camp Ritchie, Maryland. We searched the National Archives Catalog and located the series Training Records of the Military Intelligence Training Center, Camp Ritchie, Maryland, 1942-1946 in the Records of the War Department General and Special Staffs (Record Group 165) that may contain some relevant information.These records are indexed by the series Card Files Relating to Training Records of the Military Intelligence Training Center, Camp Ritchie, Maryland, 1942-1946 in Record Group 165. We also located the General Records, 1942-1946 Military Intelligence Training Center, Camp Ritchie, MD in the Records of the Army Staff (Record Group 319) and the series Project Decimal Files, 1941-1945 in Record Group 319 that contain information related to Camp Ritchie and the Military Intelligence Division. These records have not been digitized. Please contact the National Archives at College Park - Textual Reference (RDT2) at firstname.lastname@example.org for access to these records. A brief history of Camp Ritchie is available in the Catalog as well.
Copies of most Army unit monthly rosters from November 1912 - 1943 and Army unit morning reports from November 1, 1912 to 1959 are in the custody of the National Archives at St. Louis (RL-SL). For more information about these records, please contact RL-SL via email at email@example.com. Rosters for units serving in World War II from 1944 - 1946 were destroyed in accordance with Army disposition authorities.
You may experience a delay in receiving an initial acknowledgment as well as a substantive response to your reference request from RDT2 and RL-SL. We apologize for this inconvenience and appreciate your understanding and patience as we balance mission-critical work and the safety of our staff during the pandemic. Please check NARA’s web page about COVID-19 updates for the latest information.
For more information about the role of Camp Ritchie in the military intelligence training during World War II, see the publication Military Intelligence (MH Pub 60-13) from the US Army Center of Military History. Additionally, you may wish to contact the Military Intelligence Soldier Heritage Learning Center and the CW2 Christopher G. Nason Military Intelligence Library.
We hope this is helpful. Best of luck with your research!