[g3e0]

This really makes it easy to see that the SLS (far right) is derived from the space shuttle, with the orbiter removed and the payload placed on top instead.

[0xffff2]

It totally does. I knew this fact already in the abstract, but the imagery in the video really drives home at a more intuitive level just how similar they are.

[dotancohen]

I'm sure that helped reduce the costs and timeframe associated with developing and building it, then.