During the last space shuttle mission to the international space station, television cameras panned around the Johnson Space Center's Mission Control and landed on the CAPCOM desk -- the relay station between astronauts on the ground and those circling in orbit.
There sat astronaut Shannon Lucid, diligently taking notes and talking Discovery astronauts through procedure after procedure. At 64, when most people are enjoying their retirement years, Lucid continues to work as an active member of the NASA astronaut corps and loves every minute of it.