> a permanently-in-orbit transfer vehicle might make sense here Buzz Aldrin is a big proponent of this approach: https://buzzaldrin.com/space-vision/rocket_sci

> a permanently-in-orbit transfer vehicle might make sense here Buzz Aldrin is a big proponent of this approach: https://buzzaldrin.com/space-vision/rocket_science/aldrin-mars-cycler/ https://buzzaldrin.com/space-vision/rocket_science/aldrin-ma...