the cryogenic methane fueled full flow staged combustion engine of the raptor 2 is in many ways not a good fit for weapons platforms. It's a very purpose built engine for uplifting mass into orbit.
Soviet Union used to deploy R-9 - a rocket which was "always ready", launching within 20 minutes from the command, while using liquid oxygen and kerosene as propellants.
Kerosene makes a lot more sense than methane. The only reason methane makes sense for SpaceX is they intend on manufacturing fuel on mars for the return trip.
avmich|3 years ago
https://en.wikipedia.org/wiki/R-9_Desna
So, it might be considered, I guess. Even though Starship looks rather from another era...
scrumbledober|3 years ago