You are going in circle here. SLS won't have many launches because it's too expensive, and they can't build more than one per year. The cost and the tendency o

You are going in circle here. SLS won't have many launches because it's too expensive, and they can't build more than one per year. The cost and the tendency of its launch being scrubbed makes it a risk for any time sensitive mission, as shown by NASA decision to switch Europa Clipper to Falcon Heavy: https://www.extremetech.com/extreme/325106-europa-clipper-ditches-nasa-mega-rocket-will-launch-on-spacex-falcon-heavy-instead https://www.extremetech.com/extreme/325106-europa-clipper-di...