I guess you could make a case that, today, SLS is further along. But SpaceX is moving several times faster here than SLS, so in any case it is going to be up an

I guess you could make a case that, today, SLS is further along. But SpaceX is moving several times faster here than SLS, so in any case it is going to be up and flying regularly long before SLS. And in terms of cost per weight to orbit, it will be a hundred times less.