Mission Command Center of Excellence Director Maj. Gen. Charles Masaracchia shakes hands with Maj. Gen. Ulisses de Mesquita Gomes (right), Brazilian military attaché, and greets Lt. Gen. Sergio Luiz Tratz (center), Brazilian Army chief of the Army Doctrine Center, Sept. 22, 2021, at Fort Leavenworth, Kan. The MCCoE team provided the generals and their staff officers with a briefing on U.S. Army doctrine and multinational interoperability efforts. (U.S. Army photo by Randi Stenson, MCCoE Public Affairs)