Early April, 1984, space shuttle Challenger mission STS-41C launched. This was the first on-orbit repair of a satellite. Here, crew members train for their repair tasks in NASA Marshall Space Flight Center’s Neutral Buoyancy Simulator. The simulator prepared astronauts for extra-vehicular activities
NASA astronauts Drew Feustel and Ricky Arnold ventured outside of the ISS to complete the fourth spacewalk this year. In 6 hours and 10 minutes, the veteran spacewalkers successfully installed wireless communications antennas, replaced a camera system, and removed suspect hoses from a cooling system
