This six-part series from the Army Times looks at U.S. military operations in the Horn of Africa after the September 11, 2001, attacks.

Recent data on organized violence shows that conflicts between a state and one or more nonstate armed groups vastly outnumber interstate conflicts. As a result, argues former international affairs fellow Payton L. Knopf in a new CFR Working Paper, the State Department needs clear guidelines as to why, when, and how its diplomats should conduct outreach to these groups.

Jendayi Frazer and EJ Hogendoorn discuss the short- and long-term challenges in East Africa for regional governments, international institutions, and U.S. policy.

Jendayi Frazer and EJ Hogendoorn discuss the short- and long-term challenges in East Africa for regional governments, international institutions, and U.S. policy.

This roundtable, Crisis in the Horn: Can We Prevent One Million Deaths Today and Worse Famines Tomorrow?, was part of CFR's Global Health program.

CFR's Director of Studies James Lindsay and Director of the International Institutions and Global Governance Program Stewart Patrick preview major world events in the week ahead.

In this week's podcast: The famine in the horn of Africa continues to unfold; Rebel gains in Libya may accelerate talk of an end to the conflict; and the UN Security Council debates its peacekeeping operations.

Famine in the Horn of Africa underscores the problems of an international foreign aid community struggling to keep up with its commitments at a time of a falling dollar and rising food prices, says CFR's Laurie Garrett.

This backgrounder emphasizes the need for the US and other countries to take offensive, and not defensive, measures against threats to global commerce and security.

An interactive map of the Horn of Africa.

Abigail Hauslohner of Time details the plight of Somali refugees in Yemen.

Listen to Bronwyn E. Bruton, international affairs fellow in residence at CFR, discuss her recent Foreign Affairs article, "In the Quicksands of Somalia," with students as part of CFR's Academic Conference Call series.

Learn more about CFR's Academic Initiative.

As the humanitarian crisis in Somalia deepens, experts see bleak prospects for reconciliation talks between the transitional government and the Islamist opposition.

Ethiopia’s U.S. ambassador says his government needs more international help in securing Somalia and is wrongly blamed by Congress for rights abuses.

This article examines the divisions among Eritrea's population as their goverment prepares for war with Ethiopia.

This module features teaching notes by George Mason University professor Terrence Lyons, author of Avoiding Conflict in the Horn of Africa, along with other resources to supplement the text. In the report, Lyons presents a full picture of what is going on in the Horn of Africa and suggests what the United States needs to do to address the multiple challenges to stability.

This article discusses the roles of AFRICOM in fighting the War on Terror in the Horn of Africa.

This article discusses the U.S. military's strategies to fight terrorism in the Horn of Africa.

Terrence Lyons, an expert on the Horn of Africa, says despite U.S. concerns about al-Qaeda, it is local rivalries driving conflicts in Somalia and elsewhere in the region.