That's hilarious! Imagine sitting in the mess hall, overhearing two men discussing their day:
"I'm working on a cunning plan. It involves bombs, strapped to bats. What are you working on?"
"Oh, just a nuclear fission device. When it goes supercritical it's.. oh well, never mind. Tell me more about the bats!"
https://en.wikipedia.org/wiki/Bat_bomb