 IBM (punched-card) tabulating machines were obtained in 1942 to replace that left behind in Manila Bay on leaving Corregidor.Nave and Fabian had a difficult relationship, and Nave was forced out of FRUMEL, going to Central Bureau the joint Australian-US Army codebreaking unit in Brisbane where he was welcomed.The 1942 Holden Agreement specifically stated that Nave was not to work at FRUMEL.