I just watched a great episode from Victory at Sea showing those ghastly Y-throwers in action.
I'll never forget my first encounter with one of Ducimus' Y-throwers during a test session. Silent running and reluctant to be the first to blink, the DD approaches. The bearing is changing and increasing in rate of change. He's going to pass safely to starboard, we'll just sit and.......
KaBOOOOOOOMMMMMM!!!!! die.