Landing a plane is always great. Ask any pilot.

Any landing that you can walk away from is a good landing. Any landing after which you can use the plane again is a great one.

A landing that meets neither of the above two criteria, much less so.

Remember: taking off is optional, but landing is mandatory.

> Remember: taking off is optional, but landing is mandatory.

This depends on how fast your plane can go.

Are you referring to one-way trips to space?

It depends on what your goal was