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US to build new nuclear gravity bomb
(www.defensenews.com)
This is a most excellent place for technology news and articles.
My point was just if the pilot was going to die you said use a drone. If the pilot were going to die it would imply whatever delivers the gravity falling weapon is destroyed from being to close. So it is a one time delivery sustem much like a missile cassing instead of a drone which flies away and is re-usable.
That's called a "loitering munition". If there's a payload that's embedded into the craft, and you're not going to retrieve it, but you can still fly it remotely, that's when it's loitering munition, if that makes sense. It's a small bomb you fly in a circle until you have a good angle basically.
https://en.m.wikipedia.org/wiki/Loitering_munition