In article ,
P Colyer wrote:

So if there are only a few more shuttle flights left, whats happens to the
astronauts that will never get a shuttle flight? - this includes crews that
have just flown recently too I presume! pushing paper for the CEV ?

The same thing that happened to the Apollo crews once that program stopped.
Some moved on, others stayed behind and some of them eventually crewed
Shuttle flights.

Same thing with the Shuttle - Aries transition, although I believe that
the size of the group will shrink anyway as the crews will be smaller
and there will be fewer flights overall.

**vp