The Legion of Lazarus by Edmond Hamilton, Science Fiction, Adventure

Being expelled from an air lock into deep space was the legal method of execution. But it was also the only way a man could qualify for -- the Legion of Lazarus! "It isn't so bad," says one of the men who are with you inside this ultimate room. "Fifty years from now, the rest of us will all be old, or dead." And then you're waking again, and you think, "Fifty years. you think. "It's been fifty years." But another part of your mind says, "No, it is only tomorrow morning."