Comment by norenh

Welp, my initial thought based on the link was that this was part of Project Pluto:

https://en.wikipedia.org/wiki/Project_Pluto

https://web.archive.org/web/20200329022906/http://www.merkle...

It is not... This is a Falcon-9 rocket stage, not a part from the Flying Crowbar or any similar nightmare-device.