Once You Are Assigned To A Flight,

But When I Wasn't Working, I Was Usually At A Window Looking Down At Earth.

The Best Advice I Can Give Anybody Is To Try To Understand Who You Are And What You Want To Do, And Don't Be Afraid To Go Down That Road And Do Whatever It Takes And Work As Hard As You Have To Work To Achieve That.

It Takes A Couple Of Years Just To Get The Background And Knowledge That You Need Before You Can Go Into Detailed Training For Your Mission.

After The Challenger Accident, Nasa Put In A Lot Of Time To Improve The Safety Of The Space Shuttle To Fix The Things That Had Gone Wrong.

So Most Astronauts Are Astronauts For A Couple Of Years Before They Are Assigned To A Flight.