I thought that since we've got a thread dedicated to the missions an SLS Bloc I could pull off, it's about time we had a thread dedicated to what the bigger advanced versions' mission possibilities. Here's how those versions look like right now:
SLS Bloc IA
Core Stage+advanced boosters (appears to be LRBs)-upper stage
Payload to LEO: 105 mt
BEO Payload: 0 mt
Year available: 2022 (if advanced booster program is funded)
SLS Bloc IB
Core stage+8.4 m CPS (8.4 m stage with four RL-10 engines)
Payload to LEO: 118 mt
BEO Payload: 43 mt
Year available: 2019 (if upper stage is funded)
SLS Bloc II
Core stage+8.4 m CPS (from Bloc IB)+advanced boosters (LRBs)
Payload to LEO: 155 mt
BEO Payload: 61 mt
Year available: 2022 (if boosters+CPS are funded)
SLS Bloc II
Core stage+8.4 m CPS (from Bloc IB)+advanced boosters (solids)
Payload to LEO: approximately 133 mt
BEO Payload: 50 mt?
Year available: 2022 (if boosters+CPS are funded)
SLS Bloc IIA
Core stage+8.4 m J-2X stage+advanced boosters (LRBs)
Payload to LEO: 178 mt
BEO Payload: 58 mt
Year available: 2027 (if boosters+J-2X stage funded)
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Now personally I think if the Congressional mandate for 130 mt to LEO capability holds up, the most likely versions we'll see are the Bloc IB and Bloc II with solids. I've already thought up a few missions the IB and Bloc II with solids would enable.
One-launch
Apollo-style lunar surface mission
NEA mission
Launching large space station modules (2 BA-330s to EML-2)
Mission to martian orbit
orbiter to Pluto or other outer planets
Rover missions on Mars, Europa, Titan and all over
Multiple-launch
Robust lunar surface mission
Assembly of Mars Transfer Vehicle/Martian surface mission
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Does anyone have any suggestions as to what kind of missions a Bloc II with LRBs or a Bloc IIA would enable that the Bloc IB and Bloc II with solids would not be able to do? Right now I really can't think of any, but perhaps I'm wrong.