U.S. Army Soldier Staff Sgt. Shane Hayes (right), weapons squad leader with Bulldog Company, 1st Battalion, 187th Infantry Regiment, 3rd Brigade Combat Team, 101st Airborne Division (Air Assault) and Brazilian Army Soldier Maj. Rafael Marcos da Costa Ribeiro (left), assistant G3 operations officer assigned to 12th Light Infantry Brigade (Air Assault), 2nd Division, stand in front of their respective flags during Exercise Southern Vanguard 22 in Resende, Brazil, Dec. 14, 2021. U.S. and Brazilian Army soldiers took part in the air assault exercise, which was the largest deployment of a U.S Army unit to train with the Brazilian Army forces in Brazil.