Fifty years ago, on May 25, 1961, President John F. Kennedy addressed the US Congress on a number of urgent issues relating to the Cold War and the nation's economy. It was the final section on space, however, that put the speech in the history books with the famous call for a human landing on the Moon by the end of the decade.
The world is different fifty years later and there is spirited discussion among space advocates on how to further human expansion into space at this time. Clark Lindsey provides a round-up of commentary links.
I was a five year old at the time, too young to pay close attention to presidential speeches, but this one helped shape the exciting age I grew up in that inspired a passion and a career for me.