/sci/ - Science & Math

>>12579311
>Let’s be very honest, we don’t have a commercially available heavy-lift vehicle. The SLS may some day come about. It’s on the drawing board right now. Starship is real. You've seen it down at Boca Chica. We're perfecting landing Starship. We have all the Superheavy segments done, ready to be stacked in the High Bah... I don't see any hardware for SLS, except that he's going to extend the Shuttle External Tank and put engines below it and that becomes the SLS. It's not that easy in rocketry.

>>12494093
Zero boil off Hydrolox is not impossible. ULA was researching it until they cancelled ACES