Boeing and NASA have announced that astronaut and mission commander Chris Ferguson will withdraw from the first manned CST-100 starliner space mission for family reasons. < / P > < p > with the latest crew changes, Wilmore, who has been training as a mission reserve astronaut since July 2018, will assume the role of mission commander. Meanwhile, Ferguson, who has been working on the & quot; starliner & quot; program since 2011, will be the mission integration and operations director, overseeing the & quot; starliner & quot; spacecraft and training systems, and providing support to astronauts during their missions. < p > < p > Wilmore carried out two missions in space for 178 days. In 2009, he served as the pilot of the space shuttle Atlantis, which delivered 14 tons of materials to the international space station; in 2014, he took the & quot; Alliance & quot; spacecraft to the space station for a 167 day mission and four spacewalks. < / P > < p > he has a bachelor’s and a master’s degree in electrical engineering from Tennessee Polytechnic University in Cookville and a master’s degree in aviation systems from the University of Tennessee in Knoxville. In addition, he was a retired captain of the U.S. Navy. Before joining NASA’s astronaut team in 2000, he accumulated 7800 flight hours and 663 carrier take-off and landing experiences. < / P > < p > “butch will be able to work seamlessly, and his previous experience in space shuttle and space station missions has made him a valuable complement to this flight.” Kathy Lueders, deputy director of NASA’s human exploration and operations mission. “Chris has always been a talented member of this mission. NASA and Boeing Commercial crew teams thank him for his valuable work, and he will continue to lead the starliner development, which will help ensure the success of starliner flight tests. ” Chinese version of K-car: reading a10e design drawing exposure