Report 19750412A


April 12, 1975


Gerald Ford



Was 4(a)(1) Triggered? (Hostilities/Imminent Hostilities)

No, as described in/inferred from report

Was 4(a)(2) Triggered? (Combat- Equipped Introduction)

Yes, stated or used terms in statute

Was 4(a)(3) Triggered? (Substantial Enlargement)

No, as described in/inferred from report

Joint/Coalition Mission


Article 51 Report to UN

Not applicable because no self-defense claim



Details: "in view of the circumstances in Cambodia... I ordered U.S. military forces to proceed with the planned evacuation out of consideration for the safety of U.S. citizens."

Domestic Legal Authority

Constitution (Art. II)

Details: "The operation was ordered and conducted pursuant to the President's Constitutional executive power and authority as Commander-in-Chief of U.S. Armed Forces."

Claimed International Legal Basis


Estimated Scope/Duration

Scope/duration specified

Details: "... the first elements of the U.S. forces entered Cambodian airspace at 8:34PM EDT on April 11...the last evacuees and ground security force Marines departed the Cambodian landing zone at approximately 12:20 AM on 12 April 1075."

Type of Enemy or Mission


Details: Cambodia

Military Activity

Air operations Use of ground forces

Details: "Military forces included 350 ground combat troops of the U.S. Marines, 36 helicopters, and supporting tactical air and command and control elements... Although these forces were equipped for combat within the meaning of Section 4(a)(2) of the Public Law 93-148, their mission was to effect the evacuation of US Nationals."

US Casualties Reported


Details: "No US Armed Forces personnel were killed, wounded or missing, and there were no casualties among the American evacuees."

Non-US Casualties Reported