Human Rating A Spacecraft

Wayne Hale’s Blog: Human Rating A Spacecraft
“Recently you may have heard about former astronaut Scott Parazynski’s adventure to climb Mt. Everest. He carried a sliver of a moon rock from Apollo 11 with him, and then picked up a sliver of a rock from the top of the highest mountain in the world. These two rocks were encased in plastic, handed over to NASA, and flew aboard the space shuttle to be installed in the new Tranquility module of the International Space Station. All very inspiring and good.
Now for the rest of the story.”