23 days after Yuri Gagarin’s historic flight, Alan Shepard climbed aboard Freedom 7 and became the first American in space. He was launched at 9:34 EST May 5th 1961 on top of a Redstone booster on his sub-orbital flight.
NASA’s Freedom 7 50th anniversary site - Great resource of video, information and even the original press kit
Great Paper Model of the Redstone and Freedom 7
More on Project Mercury and Redstone
Life Magazine’s Rare and unseen photos of Alan Shepard

