This new space launch system may well be the means by which we really do make spaceflight far cheaper and colonise, not just Mars, but any part of the Solar System that we wish.
What was so remarkable about IFT-4 is that both parts of Starship survived. Super Heavy made it back to a precise location over the Gulf of Mexico (close to the launch site), and Starship made it half war around the world and also succeeded in reaching the ocean surface at essentially zero velocity and then plunged into the water.
Read the full post on Journeys of Heart and Mind.