Dear Mr. Coppedge,
Thank you for posting your request on History Hub!
We searched the U.S. Army Center of Military History (CMH) website and located multiple entries on the 101st Brigade Support Battalion (BSB). Lineage and Honors Information lists its organizational history, campaigns, and unit awards plus indicates that the 101st BSB was known as the 1st Supply Train in World War I. The Army Organization Page and Organizational History Program are overviews of significant historical information regarding every Army unit by division. There is another Lineage and Honors page for the 1st Armored Brigade Combat Team on the CMH website. There is a Combat Service ledger of each Army unit that served. And historical information on the movements of the 1st Division.
We also searched the National Archives Catalog and located the Records of Supply Trains, 1917 - 1919 in the Records of the American Expeditionary Forces (Record Group 120) that includes the 1st Supply Train. For access to this series, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org. Additional records of the 1st BSB and the 1st Division may be in the custody of RDT2.
Due to the COVID-19 pandemic and pursuant to guidance received from the Office of Management and Budget (OMB), NARA has adjusted its normal operations to balance the need of completing its mission-critical work while also adhering to the recommended social distancing for the safety of NARA staff. As a result of this re-prioritization of activities, you may experience a delay in receiving an initial acknowledgement as well as a substantive response to your reference request from RDT2. Also, the NARA research rooms are closed until further notice. We apologize for this inconvenience and appreciate your understanding and patience.
We hope this is helpful. Best of luck with your research!