Expedition 49 commander Anatoly Ivanishin of the Russian Federal Space Agency, NASA astronaut Kate Rubins and Takuya Onishi of the Japan Aerospace Exploration Agency undock from the International Space Station aboard the Soyuz MS-01 capsule for return to Earth.
Atlas 5
Boeing delays crew capsule test flights after abort engine problem
Boeing has reshuffled a sequence of test flights planned for the company’s CST-100 Starliner capsule after stuck valves inside a test version of the ship’s service module caused a fuel spill in June, delaying the commercial spacecraft’s first unpiloted orbital demo mission until late this year or early 2019, and moving back the first crew launch to mid-2019, a company official said Wednesday.
Mission Reports
Russians ready unpiloted Soyuz capsule for launch
An unpiloted Russian Soyuz spacecraft, with a humanoid robot in the commander’s seat instead of a cosmonaut, is scheduled for liftoff late Wednesday (U.S. time) from Kazakhstan on a test flight to verify the spaceship’s compatibility with the new-generation Soyuz-2.1a rocket set to begin launching crews to the International Space Station next year.
Falcon 9
SpaceX points to leaky valve as culprit in Crew Dragon test accident
Investigators believe a leak of propellant inside the Crew Dragon spacecraft’s propulsion system led to the capsule’s explosion April 20 during a ground test at Cape Canaveral, and a senior SpaceX official said Monday that delays are making it “increasingly difficult” to fly astronauts on the commercial spaceship before the end of the year.