The
Tang, commanded by Richard O'Kane, was sunk in the Formosa Strait by its own flawed torpedo (running in a circle) during a surface night attack on October 24– October 25, 1944, in which he lost all but eight of his crew. O'Kane, and the other survivors, were captured by the Japanese.
As for SH4, here is my own torpedo which circled back:
The result:
.