Report 20120914A


September 14, 2012


Barack Obama (First Term)


Libya Yemen

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


Protect US citizens, property

Details: Protect U.S. personnel in Libya "in response to an attack on our diplomatic post in Benghazi" and Yemen "in response to security threats there"

Domestic Legal Authority

Constitution (Art. II)

Details: "These actions have been directed consistent with my responsibility to protect U.S. citizens both at home and abroad, and in furtherance of U.S. national security and foreign policy interests, pursuant to my constitutional authority to conduct U.S. foreign relations and as Commander in Chief and Chief Executive."

Claimed International Legal Basis


Estimated Scope/Duration

Mission-bound but indeterminate

Details: "These security forces will remain in Libya and in Yemen until the security situation becomes such that they are no longer needed"; "these movements have been undertaken solely for the purpose of protecting American citizens and property"

Type of Enemy or Mission

Embassy protection

Details: Attack on diplomatic post in Benghazi, Libya; security threats in Yemen

Military Activity

Use of ground forces

Details: "[A] security force... deployed to Libya to support the security of U.S. personnel in Libya. Further, on September 13, an additional security force arrived in Yemen..."

US Casualties Reported


Non-US Casualties Reported