This primary source comes from the Records of the Office of the Secretary of Defense, 1921 - 2008.
National Archives Identifier:
6346104Full Citation: Photograph 330-CFD-DF-ST-82-03923.jpeg; Presidential Helicopter Leaving the White House for Camp David; 6/8/1981; DFST8203923; Combined Military Service Digital Photographic Files, 1982 - 2007; Records of the Office of the Secretary of Defense, 1921 - 2008, Record Group 330; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/presidential-helicopter, May 16, 2024]