Dear Mr. Machuga,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located the Port Surgeon, Women's Army Corps Detachment, Station Hospital, and Staging Areas Files, 1942 - 1945; the Geographic Records, 1941 - 1946; and the Classified Geographic Records, 1941 - 1946 in the Records of the Office of the Chief of Transportation (Record Group 336) that include records pertaining to Charleston Port of Embarkation. For more information about these non-digitized records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at email@example.com
We also located Assorted Records, 1942 - 1945 in Record Group 336 that include records of the Charleston Port of Embarkation. For more information about these non-digitized records, please contact the National Archives at Atlanta (RE-AT) at firstname.lastname@example.org. Additionally, the National Archives in Atlanta composed an exhibit highlighting Record Group 336 that includes some photographs from Charleston Port of Embarkation, that may be helpful
Lastly, we were able to locate the War Department Map Collection, 1939 - 1942 in the he Records of the Office of the Chief of Engineers (Record Group 77) that includes the file unit titled United States, 1939 - 1942 which contains this “Project Map Showing Locations of Camps, Army Posts, Coast Defenses, Quartermaster & Ordnance Depots, Hospitals, Aviation Fields, etc.” The map shows the expeditionary depot and regular depot in Charleston, South Carolina on the map. The map has been digitized and is available online using the Catalog. For more information about these records, please contact the National Archives at College Park - Cartographic (RDSC) at email@example.com.
Due to the continued impact of COVID-19, you may experience a delay in receiving an initial acknowledgment as well as a substantive response to your reference request from RDT2, RE-AT, and RDSC. 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.
We hope this is helpful. Best of luck with you family research!