PC-815. Built as a cheap submarine chaser, it spent 68 hours bravely fighting a known magnetic anomaly, declared war on neutral Mexico, arguably inspired Scientology, and finally ended an all round superb career of uselessness by ramming a friendly destroyer and sinking itself. Sterling stuff.

#FailureFriday

@DreadShips Was this the inspiration for Bob Newhart's USS Codfish routine?
"We hold the record for tonnage sunk... in peacetime."
@DreadShips @jondresner HMAS Melbourne would like a word here.