Cryptonym: MOONDUST
http://www.theblackvault.com/documentarchive/project-moon-dust/#
Project MOON DUST was an operation to recover objects and debris from space vehicles that had survived re-entry from space to earth. However, there have been many rumors about the project which connected it to the UFO phenomenon.
104-10338-10005: THIRD AGENCY REFERRALS: FBI
8/3/62: "Wiretap of telephone conversation between reporter Dorothy Kilgallen and Howard Rothberg - from wiretap of telephone conversation between Marilyn Monroe and Attorney General Robert Kennedy. Rothberg discussed the apparent comeback of (Monroe) with Kilgallen and the break up with the Kennedys...Rothberg indicated in so many words that (Monroe) had secrets to tell, no doubt arising from her trists (sp) with the President and the Attorney General. One such 'secret' mentions the visit by the President at a secret air force base for the purpose of inspecting things from outer space. (At page 4 of 8): 1995 memo from Barry Harrelson, Senior Reviewer, Historical Review Group, CIA: "Those Agency officers who have reviewed the document consider it to be fraudulent...the substantive information and collection are foreign to normal presentation or collection efforts. Also, the control stamps and other administrative items are not typical of CIA reports written during the 1960s." Another note discusses how CIA Director John McCone informed LBJ about the Alvarado allegations in late 1963, and McCone at the end asked about Director J. Edgar Hoover's health and was told it was good. Margainalia in Hoover's handwriting states, "That news probably didn't please him."
https://documents.theblackvault.com/documents/ufos/MoonDust2.pdf
December 1976, from US Secretary of State to American Embassy, Ottawa: "Two pieces of metal that may be space-related were shipped to Windsor, Ontario...These two pieces may be from a non-US satellite and would be of interest to USAF Foreign Technology Division and to CIA's Office of Weapons Intelligence..."