A few YouTube videos of historic moments in space and the Mercury Program related to my last post. Browse YouTube and you can find many more on any subject that interests you.
John Glenn's Friendship 7
Godspeed, John Glenn
Alan Shepard discusses Yuri Gagarin and "The Race"
1962 Mercury Atlas 6 and John Glenn
Mercury Freedom 7 (Over nine minutes of detail on training and flight preparation.)
Yuri Gagarin: First Speech from Space
The Redstone Rocket
Laika: Space Dog
Space Race: Russian Viewpoint
And purely for entertainment value,
What the Star Trek Enterprise Theme Should Have Been