One good thing to realize about #IFT4 is that entry was less than 1/17th the heating rate you need to handle to return from cislunar trajectories. To put into context what Orion and Apollo (or, soon, returning #CE6 samples) handled vs. this. And what Starship would need to handle to have been used for human return from the #moon (say if Dear Moon hadn't been cancelled). With margins, things need to improve about two orders of magnitude for #Starship to be a safe human return S/C, probably