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H. Marshall Chadwell

🇺🇸United Statesintelligence

Type

intelligence

Nation

🇺🇸 United States

Director of the CIA's Office of Scientific Intelligence (OSI). Author of the pivotal December 2, 1952 memo to DCI Walter B. Smith stating 'there is something going on that must have immediate attention' — the document that catalyzed the Robertson Panel.

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Timeline

(4)

1952

Dec 1952authored urgent memo to DCI

CIA OSI Director Chadwell Memo: 'Something Going On That Must Have Immediate Attention'

Dec 1952authored second UFO memo to DCI

CIA OSI: Chadwell's Second Memo Cites Tremonton Film, Loring AFB, and Florida CE

1953

Feb 1953implemented Robertson Panel recommendations

CIA Initiates Surveillance of Civilian UFO Groups: APRO and CCSI Targeted

May 1953transferred UFO responsibility to P&E

CIA: Chadwell Transfers UFO Responsibility to Odarenko's P&E Division