The latest deployment of NASA Extreme Environment Mission Operations (NEEMO) has begun with the international crew of aquanauts entering the habitat, Aquarius, yesterday for a twelve day mission. Aquarius, the world’s only undersea laboratory, is located in about 63 feet (20 metres) of water, three and a half miles …

Dave Williams was just a kid when he made a farsighted commitment that eventually saw him blast off for the international space station. And his boyhood dive training and years of experience in the sport backstop his record setting spacewalks. Text by Dave Williams   My helmet lights reflect …