During World War II, the U.S. Army Air Corps undertook the training of several contingents of personnel from many Central and South American nations. Brazil provided the largest of these contingents, with Mexico in second place. The P-47 Thunderbolt-equipped 201st Fighter Squadron of the Fuerza Aérea Expedicionária Mexicana arrived in the Philippines in early 1945 and participated in the Luzon Campaign, as well as in subsequent operations against Formosa.