Nuclear-tipped torpedos were commonly used for ASW during the Cold War. In fact, I think the P-3s that flew out of Moffett Field on ASW patrols almost certainly

Nuclear-tipped torpedos were commonly used for ASW during the Cold War. In fact, I think the P-3s that flew out of Moffett Field on ASW patrols almost certainly carried nuclear warheads. I imagine Steve Jobs tripping on acid in the orchards of Santa Clara County, with nuclear armed P-3s going off on patrol overhead.