This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
28268Full Citation: Motion Picture 111-LC-44332; Inauguration of President John F. Kennedy, Washington, D.C.; 1/20/1961; Motion Picture Films from the Army Library Copy Collection, 1964 - 1980; 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/kennedy-inauguration, April 28, 2024]