I'm self-employed <a href=" http://www.buscadichos.com/someone-who-changed-your-life-essay ">essay on why marriages fail</a> A former gymnast known among colleagues for his fitness, Carpenter trained as Glenn’s backup for NASA’s first orbital flight. When Glenn blasted off on the Friendship 7 mission on Feb. 20, 1962, Carpenter sent him off with a simple yet poignant radio transmission: “Godspeed, John Glenn.”