The 1075th was organized in the United States, leaving Army Air Base, Reno, Nevada on 01 Jun 1943. The unit had an authorized strength of 3 officers and 97 enlisted men. On 17 Jan 1944, detachments “A” and “B” were formed but no mention is made of the detachments serving at another location. Detachment “A” was inactivated on 19 February 1945. The unit departed for the Far Shore in stages beginning in late-February 1945. On 14 March 1945 the final 33 enlisted men and equipment of the group were transferred to Mourmelon-le-Grand, France. The move required 20 C-47 Skytrain cargo planes.