"So most astronauts are astronauts for a couple of years before they are assigned to a flight"

This quote by Sally Ride suggests that astronauts typically spend a couple of years in their role before they are appointed to a flight. This could imply that astronauts are needed to get experience and understanding in their field before they are considered for an objective. It could likewise mean that astronauts are provided time to end up being familiar with the equipment and procedures of space travel prior to they are assigned to an objective. This could be to guarantee that they are well-prepared and positive in their capabilities before they start an objective. Additionally, it could be to ensure that astronauts are familiar with the dangers and risks of space travel before they are assigned to an objective. Eventually, this quote suggests that astronauts are offered time to acquire experience and knowledge before they are designated to a flight.