Novel form of terrorism where you force your enemies to choose between being bombed or shooting down the aerospace equivalent of a pristine 1965 Mustang GT
There are large castings.
Then there's the largest single casting ever poured.
600 tons of molten steel through multiple melts.
6 weeks to cool enough (from 1500°C to ~1000°C) to be removed from the sand mold, then cooled further, then 2 weeks in heat treat.
Pre-machined weight: 370 tons
Finished weight: 325 tons
All done by Sheffield Forgemasters.