Today, January 28th, is the 25th anniversary of the explosion of the space shuttle Challenger where all the astronauts on board were killed including school teacher Christa McAuliffe:
http://www.msnbc.msn.com/id/41296542?GT1=43001
Anyone remember this happening 25 years ago?
It was a very sad time for the USA, for the world, and for space exploration!