The T3 Hypersonic Wind Tunnel is a hypersonic wind tunnel of the Institute for Advanced Studies (IEAv) of the Brazilian Air Force. The T3 is the largest hypersonic wind tunnel in Latin America.^[1] The tunnel is capable of producing airflow at speeds up to 25 times the speed of sound (Mach 25).^[1] It was fully constructed by the IEAv with national technology.^[1] The tunnel is used by the Brazilian Air Force and the Brazilian Space Agency in its advanced projects.^[1]