John Glenn was the only one of the Mercury Seven ... The flight came 36 years after his only other space mission, Mercury-Atlas 6, and was something of a victory lap for the 77-year-old Glenn ...

John Glenn launched on the Friendship 7 flight, the first human orbital flight for NASA, which premiered this video to celebrate the 57th anniversary of the flight – and has made it available to share ...

Astronaut John H. Glenn Jr. was plucked safely from the Atlantic ... The 40-year-old Marine rose into space atop a flame-spewing Atlas rocket at 9:47 a.m. At 2:28 p.m., 4 hours and 41 minutes ...