Space Shuttle STS-93: We don't need any more of those(waynehale.wordpress.com)
waynehale.wordpress.com
Space Shuttle STS-93: We don't need any more of those
http://waynehale.wordpress.com/2014/10/26/sts-93-we-dont-need-any-more-of-those/
http://waynehale.wordpress.com/2014/10/26/sts-93-we-dont-need-any-more-of-those/
But it really is "rocket science". Amazingly complicated machines. Unfortunately 2 crews lost in 135 total missions.
And we have nothing right now to replace it.