Shannon Lucid working out on a treadmill aboard Mir
Shannon Lucid, astronaut, returned to earth in 1996 after being in space 188 days. At the time she set the US record for longest time in space and the world record for the longest time for a woman in space. She conducted experiments aboard the Mir space station. She had previously flown on four other missions. Her record for an American woman was broken by Sunita Williams on June 16, 2007. Older children could learn more at: Shannon Lucid.