8 o'clock in the morning Kamikaze, escorting 3 converted minesweepers and a small tanker, departed from the port of Hà Tiên.

The 16th, 3 o'clock in the afternoon

A search plane...

Is it an ambush?

Up till now, they had been navigating through shallow waters, sea routes that were difficult for submarines to hide in.

However, in the east coast of the Malaysian Peninsula, off the coast of Protengor(?), due to the tidal currents, for 10 miles the ocean bottom dropped off abruptly.