Report 20110321A


March 21, 2011


Barack Obama (First Term)



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

Yes, described in/inferred from report

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

No, as described in/inferred from report

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

No, as described in/inferred from report

Joint/Coalition Mission


Details: “operations to assist an international effort authorized by the United Nations (U.N.) Security Council and undertaken with the support of European allies and Arab partners..."

Article 51 Report to UN

Not applicable because no self-defense claim



Details: "to protect civilians and civilian populated areas under threat of attack in Libya, including the establishment and enforcement of a 'no-fly zone' in the airspace of Libya"; "prevent a humanitarian disaster"

Domestic Legal Authority

Constitution (Art. II)

Details: “I have directed these actions, which are in the national security and foreign policy interests of the United States, pursuant to my constitutional authority to conduct U.S. foreign relations and as Commander in Chief and Chief Executive."

Claimed International Legal Basis

UN Security Council authorization

Details: UNSCR 1973, which "authorized Member States, under Chapter VII of the U.N. Charter, to take all necessary measures to protect civilians and civilian populated areas under threat of attack in Libya..."

Estimated Scope/Duration

Mission-bound but indeterminate

Details: Began March 21, 2011 at 3:00pm EDT; “these strikes will be limited in their nature, duration, and scope." "We will seek a rapid, but responsible, transition of operations to coalition, regional, or international organizations that are postured to continue activities as may be necessary to realize the objectives of U.N. Security Council Resolutions 1970 and 1973."

Type of Enemy or Mission


Details: Libya ("Qadhafi's armed forces")

Military Activity

Air operations

Details: U.S. Africa Command began "a series of strikes against air defense systems and military airfields for the purposes of preparing a no-fly zone"; "U.S. forces have targeted the Qadhafi regime's air defense systems, command and control structures, and other capabilities of Qadhafi's armed forces used to attack civilians and civilian populated areas"

US Casualties Reported


Non-US Casualties Reported