Report 20160715A


July 15, 2016


Barack Obama (Second Term)



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

No, as 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)

Yes, 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: "to support the security of U.S. personnel and of our Embassy in Juba and ... to support the security of U.S. citizens and property in South Sudan"

Domestic Legal Authority

Constitution (Art. II)

Details: "I have directed this action 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: "It is not possible to know at this time the precise scope or the duration of the deployments of U.S. Armed Forces necessary to support the security of U.S. citizens and property in South Sudan."

Type of Enemy or Mission

Embassy protection

Details: Unrest in South Sudan

Military Activity

Use of ground forces

Details: "up to approximately 200 U.S. Armed Forces with appropriate combat equipment, including those forces initially pre-positioned in Djibouti, are pre-positioning in Uganda"

US Casualties Reported


Non-US Casualties Reported