I can think of no appreciable need for anything like that, unless I want to rapidly oxidize something and blow it up with a grand violent explosive force. But to be honest, I'm not a Nuclear professional, and it may be a bit of professional pride, but spending the millions from this endeavor on Geothermal Power generation, or even just outright buying energy wasting homes to demolish them would be a much wiser expense.
And really, Russia has always claimed things like that before us anyway. Does it change anything? Not really because it's almost out there with the mind control experiments and the telekinesis stuff.
To me trips to Mars and fiddling with radioactive material are in the same ballpark. Certainly people benefit from the knowledge of this work, but it isn't me. I cannot be convinced that a more powerful N- bomb is worth anything. And Nuclear power is worse than retarded, it's a boast to future generations about knowledge that we pretend to utilize most effectively today.