Title text:
It does come at the cost of some launchpad expansions and increased fuel requirements, but that all comes out of the facility’s budget.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3291/
They have to get to the moon first to attach the engines, only then will they be able to do this
You should not be getting blocked by a small problems like this, think big!