This primary source comes from the Records of the Office of the Chief Signal Officer.
Full Citation: Photograph 111-C-1209; Photograph of Jeeps Being Driven Into the Open Doors of a LCT in Preparation for the Normandy Invasion; 6/1944; Color Photographs of Signal Corps Activity, 1944 - 1981; Records of the Office of the Chief Signal Officer, Record Group 111; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/jeeps-lct-normandy, May 1, 2024]