This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
29549Full Citation: Motion Picture 111-LC-48162; Castro's Cuba Today; 1963; 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/castros-cuba-today, April 16, 2024]