A soldier went up to the Company Cook and said, "If you put a lid on the pan there'll be less dust and dirt in the food".
The cook, very annoyed, replied, "You mind your own business. Your duty is to defend the homeland!"
"That's right," said the soldier. "But my duty is to defend it, not to eat it."
Waiter, there's no fly in my soup ! - Kermit the Frog
While fighting with the French underground during World War II, Jacques-Yves Cousteau invented the aqualung, the self-contained device that supplies air under pressure for underwater divers.