Dear Mr. Charpie,
Thank you for posting your request on History Hub!
We searched the World War II Operations Reports, 1940-1948 in the Records of the Adjutant General’s Office (Record Group 407) and located Histories for August 6, 1942-December 1945 of 3rd Engineer Special Brigade and other records. For access to and/or copies, please contact the National Archives at College Park - Textual Reference (RDT2) via email at firstname.lastname@example.org.
We hope this is helpful. Best of luck with your research!