Shannon Walker

Dr. Shannon Walker began her professional career with the Rockwell Space Operations Company at the Johnson Space Center in 1987 as a robotics flight controller for the Space Shuttle Program. She worked several Space Shuttle missions as a flight controller in the Mission Control Center. Prior to selection as an astronaut candidate, Dr. Walker was the Acting Manager of the On-Orbit Engineering Office. Following her Astronaut Candidate Training, Dr. Walker assumed the duties as the crew support astronaut for the ISS Expedition 14 crew, which was on orbit for 215 days from September 2006 to April 2007. Dr. Walker launched and served as flight engineer (co-pilot) of Russian Soyuz spacecraft, TMA-19, on June 15, 2010. In 2010, Dr. Walker logged 163 days in space, 161 of them living and working on the International Space Station. She served as a flight engineer on Expeditions 24/25 and launched aboard a Russian Soyuz spacecraft, TMA-19.