ON 25/AUG/42, THE SOUTHERN NAVAL FORCE WAS CREATED. IT INCORPORATED TORPEDO BOATS SANTA CATARINA, SERGIPE, MARANHÃO, MATO GROSSO PIAHUY, JACEGUAI, PLUS THE NEWLY BUILT CORVETTES FELIPE CAMARÃO, VIDAL DE NEGREIROS, MATHIAS DE ALBUQUERQUE, BARRETO DE MENEZES, HENRIQUE DIAS AND FERNANDES VIEIRA.