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Mission extended for three space station residents BY STEPHEN CLARK SPACEFLIGHT NOW Posted: September 1, 2011 Two Russian cosmonauts and an American astronaut living aboard the International Space Station are scheduled to return to Earth on Sept. 16, leaving the outpost with a three-person crew until Russia can resume crewed launches of the grounded Soyuz rocket.
Touchdown is expected early Sept. 16, U.S. Eastern time, or in the mid-morning hours at the Kazakhstan landing site. Borisenko, Samokutyaev and Garan will wrap up approximately 165 days in orbit since launching April 4. The trio reached the space station two days after liftoff. Space station managers delayed the Expedition 28 crew's return from Sept. 8 in the wake of the launch failure of a Soyuz rocket last week with an unpiloted Progress resupply ship bound for the orbiting lab. The mission extension will allow the space station to continue functioning with a full six-person crew an extra week, freeing up more time for scientific research. Russian engineers traced the Aug. 24 failure to an anomaly in the Soyuz rocket's third stage RD-0110 engine. The Progress mission used a Soyuz-U rocket, which employs the same third stage as the Soyuz-FG rocket used launch manned spacecraft. Officials say the Soyuz rocket won't launch another crew until Russia completes its investigation, implements corrective actions and conducts test flights of the rocket with unmanned payloads. Astronaut Michael Fossum, Russian flight engineer Sergei Volkov and Japanese flier Satoshi Furukawa will remain aboard the space station until mid-November. Russia plans to launch the next three-person crew on a Soyuz rocket before Fossum's crew returns to Earth, assuming officials finish their investigation and a pair of unmanned launches go as planned. If the Soyuz rocket is unable to ferry another crew into space by mid-November, NASA says the space station will probably be temporarily abandoned until the next set of astronauts arrive. |
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