The African Union Mission in Somalia (AMISOM) was a regional peacekeeping mission operated by the African Union with the approval of the United Nations Security Council. It was mandated to support transitional governmental structures, implement a national security plan, train the Somali security forces, and to assist in creating a secure environment for the delivery of humanitarian aid. As part of its duties, AMISOM supported the Federal Government of Somalia's forces in their battle against Al-Shabaab militants.

The African Union Transition Mission in Somalia (ATMIS) is an active African Union transition and drawdown mission from peacekeeping operations in Somalia. Formerly the African Union Mission to Somalia (AMISOM), ATMIS's mandate will end in 2024, with full transition of security operations to the Somali National Armed Forces. ATMIS consists of troops from the East African nations of Burundi, Djibouti, Ethiopia, Kenya, and Uganda.