Exercise African Lion 21 is a multinational, combined, joint exercise conducted in Morocco with related activities in Tunisia, Senegal, and Italy. U.S. Army's Southern European Task Force, Africa, will establish the exercise’s combined joint task force headquarters, integrating U.S. Africa Command components and international partners to solve a complex, trans-regional crisis. Almost 4,000 U.S. Service Members will join more than 4,000 troops from Morocco, Tunisia, Senegal, the United Kingdom, Brazil, Canada, NATO, and the Netherlands in U.S. AFRICOM’s largest exercise to date.