Freefall in color by many folks.
Mr. Hillman: Are you talking about turning this station into a cycler?
Sam: Yes. Exactly.
Mr. Hillman: Could we even move the station?
Rover17: We can! My factory makes nuclear pulse devices! We moved a moon!
Sam: Like Rover17 said. Though here we would want more gentle steady push and less multi megaton powered shove.