 Promoted to brigadier general in 1998, Amos was assigned to NATO as the Deputy Commander, Naval Striking Forces, Southern Europe in Naples, Italy.During this tour, he commanded NATO's Kosovo Verification and Coordination Center in Skopje, Macedonia, and later served as the Chief of Staff, U.S. Joint Task Force Noble Anvil during the air campaign over Yugoslavia and Kosovo.Transferred to the Pentagon in the summer of 2000, Amos' other one-star assignments included posting as the Assistant Deputy Commandant for Aviation in 2000, and the Assistant Deputy Commandant for Plans, Policies and Operations in 2001.