 She carried men and cargo to Pembroke and Bristol, England, and made escort and supply runs to Casablanca, French Morocco, and Gibraltar.Departing Boston on 18 April 1944, "Matagorda" loaded seaplane supplies at Bayonne, New Jersey, and departed Bayonne on 22 April 1944 for Brazil, reaching Recife, Brazil, on 6 May 1944.Until the beginning of April 1945, she conducted extensive training and supply operations and ranged Brazilian waters from Belém to Florianópolis.