The Sword of Jebediah
can support 139 Kerbals in living habitats and science modules. This can be upgraded if you attach more to docking ports for drop ships, rovers etc. Has back docking port for docking boosters or habitat modules to use as a space station.
Has around a 2800+ m/s depending on ore/lq/ox on hand
1,440 kN Thrust with working gravity ring. Refuel capable.
Would recommend smaller landers or even ore runners to supply for fuel.
Action Groups (AG)
AG0: Turn on Gravity Ring
AG9: Lock Gravity Ring
AG8: Turn on Converter and open doors
AG7: Toggle Docking Port Doors
AG6: Toggle Drill
AG5:Toggle Surface Harvester
Gear: Toggle MK2 Ring Cargo Shields
STEAM: https://steamcommunity.com/sharedfiles/filedetails/?id=2245297985
KERBALX: https://kerbalx.com/InterstellarKev/Sword-of-Jebediah