The longest spacewalk ever by American astronauts took place in 2001 and lasted almost nine hours. Do you know how long the very first U.S. spacewalk lasted? | NASA's Johnson Space Center

127K views · 8.5K reactions | On Friday, Oct. 18, NASA Astronauts Christina Koch and Jessica Meir will venture outside the International Space Station for a spacewalk, the first to be performed by two women. A preview of tomorrow's event and a look at more history-making women in space: https://go.nasa.gov/2pxLq9e | NASA - National Aeronautics and Space Administration | Facebook

LIVE Video from the International Space Station (Seen From The NASA ISS Live Stream)