On July 31, 1945, in Singapore Harbor, the British midget submarine XE-3 maneuvered beneath the Japanese heavy cruiser Takao for a daring sabotage mission. Leading Seaman James Magennis struggled to ...

The location of the blasts on the vessels' hulls, the type of blast and other evidence suggest limpet mines, said the sources who had knowledge of the matter but who spoke on condition of anonymity.