IMO #1 is the Hard Problem. #2 seems, to me, like a minuscule fraction of the effort. In this day & age, with modern tooling, something similar to a Spartan 3E

IMO #1 is the Hard Problem. #2 seems, to me, like a minuscule fraction of the effort. In this day & age, with modern tooling, something similar to a Spartan 3E I would think could be done practically by a one-man team. The only obstacle would be money for the masks.