On 12 March, three B-29 groups were dispatched to attack Bukom and Sebarok islands just off the south coast of Singapore as well as Samboe Island, which is a few miles south near Batam Island in the Dutch East Indies.
Pada tanggal 12 Maret, tiga kelompok pesawat B-29 dikirimkan untuk menyerang pulau Bukom dan Sebarok di lepas pantai selatan Singapura dan juga Pulau Samboe, yang hanya beberapa mil di selatan dekat Pulau Batam, Hindia Belanda.