Jon Copley dove more than three miles in the first manned mission to the deepest known hot water vents in the world. And even though the purpose was to study life there, he was captivated by what he saw on his way down – and back up.
John Grunsfeld is an astronaut who just completed his fifth mission into space. He blasted off earlier this year aboard the Shuttle Atlantis to fix the ailing Hubble Telescope. A key part of the mission involved a space walk to tend to some delicate repairs to the telescope. The work was intricate and detailed: one mistake and the astronauts could put themselves and their team in jeopardy.