Tourist, I suspect that either you forget Dustbin, or never experienced the joy of explaining it use, or lack thereof, for exercise purposes.
The bucket of sunshine tactic was built around the use of "good ASW" for tactical localization of the submarine target, and use the depth bomb in lieu of a torp, for whatever reason.
What the hell do I know, with an ASW warfare specialty? Did you intend to deliberately misread my reference to the B57?
It was once considered a viable tactic. With that choice, innumerable Nuke Weapons Handling and Safety inspections (NWTPI and others) burned tens of thousands of man hours in our fleet ... I do not like to recall the pain, actually ...