Germany invented it. We shot it down

Or laughed at it after the war. They really should have mass produced the
piloted version of the V-1. Just think, we could have killed more pilots that
way, the Nazis would have wasted money and material and, most imporantly, put
them in the air flying a straight line and making an easy target.

Actually they did build a bunch (some estimates say as many as 250) but
it seems that Nazi ideology got in the way of implementing operations,
as they could not decide on targets sufficiently valuable to sacrifice
Aryan blood for.