Dear Mr. Duncan,
Thank you for posting your request on History Hub!
U.S. Army general courts-martial (GCM) records from 1917 to 1976 are in the custody of the National Archives at St. Louis (RL-SL). For access to the records, please contact RL-SL via email at email@example.com.
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 RL-SL. We apologize for this inconvenience and appreciate your understanding and patience.
We hope this is helpful. Best of luck with your research!