> If you need external fuel tanks to launch from the Earth, then you need more external fuel tanks to escape the other planet as well
I'm not sure you understood what I wrote.
They didn't need external fuel tanks to launch from the Earth. They just chose to use them so they'd have more fuel later on. As demonstrated latter, the little craft are perfectly capable of achieving orbit without external tanks.
I'm not sure you understood what I wrote.
They didn't need external fuel tanks to launch from the Earth. They just chose to use them so they'd have more fuel later on. As demonstrated latter, the little craft are perfectly capable of achieving orbit without external tanks.