The umbrella operation for the mission that resulted in the deadly ambush in Niger, Juniper Shield is the United States’ centerpiece counterterrorism effort in northwest Africa and covers 11 nations: Algeria, Burkina Faso, Cameroon, Chad, Mali, Mauritania, Morocco, Niger, Nigeria, Senegal and Tunisia. Under Juniper Shield, U.S. teams rotate in every six months to train, advise, assist and accompany local partner forces to conduct operations against terrorist groups, including ISIS-West Africa, Boko Haram and al Qaida and its affiliates.