ロンボク海峡
"S-38" transited the whirlpool and rapids area at the lower end of Lombok Strait on 5 March. On 13 March she arrived at Fremantle; and, at the end of the month, proceeded to Brisbane to join other Asiatic Fleet S-boats in forming the nucleus of TF 42 and to prepare for operations in the New Guinea-Bismarck Archipelago-Solomon Islands area.