The two subs would split paths en route to the target when 13 transports were spotted off Patani, Thailand and another 20 off Kota Bharu, Malaysia.
HNLMS Maarten Harpertszoon Tromp | HNLMS O 9 | HNLMS O 11 | HNLMS O 1 | HNLMS Karel Doorman | HNLMS ''Karel Doorman'' | HNLMS Jan van Gelder |