NASA Adds Shannon Walker to First Operational Crewed SpaceX Mission

[rNASA Adds Shannon Walker to First Operational Crewed SpaceX Mission NASA has assigned astronaut Shannon Walker to the first operational crewed flight of the SpaceX Crew Dragon spacecraft on a mission to the International Space Station. Source: NASA Breaking news http://www.nasa.gov/press-release/nasa-adds-shannon-walker-to-first-operational-crewed-spacex-mission