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ISS Crew Prepares For Arrival Of Progress And Shuttle
Houston - Nov. 21, 2001 During their 103rd day aboard the International Space Station, Expedition Three Commander Frank Culbertson, Pilot Vladimir Dezhurov and Flight Engineer Mikhail Tyurin Wednesday began activation of the Progress unpiloted supply vehicle in preparation for its undocking. The Progress, attached to the docking port at the rear of the Zvezda service module, is the fifth to visit the station. It will undock at 10:06 a.m. CST Thursday, to be deorbited and burn up in the atmosphere with its load of trash and unneeded equipment. ts undocking will make room for Progress 6, that was launched from the Baikonur Cosmodrome in Kazakhstan at 12:24 p.m. CST Monday. The new Progress, filled with fresh supplies, is planned to dock to the station at 1:45 p.m. on Wednesday, Nov. 28. The Expedition Three trio also began preparations for their return home after about four months in space. They began packing up gear and readying station equipment in anticipation of the arrival of the space shuttle Endeavour, targeted for a launch to the space station from Kennedy Space Center on Nov. 29 at 6:41 p.m. CST on the STS-108 mission. Endeavour is commanded by Dom Gorie. Pilot is Mark Kelly and Mission Specialists are Linda Godwin and Dan Tani. The major purpose of the mission is bring the Expedition Four crew, cosmonaut and Commander Yury Onufrienko and Astronauts Dan Bursch and Carl Walz, to the station and bring home Expedition Three. Also during the flight, Godwin and Tani will do a spacewalk to install thermal blankets over the station�s beta gimbal assemblies of the orbiting laboratory�s solar wings, which stretch 240 feet from tip to tip. The assemblies let the wings track the sun to provide maximum power. Flight controllers at Houston�s Mission Control Center have seen in those mechanisms occasional unexpected surges in the power required to turn the wings. They believe the surges are related to extreme temperature swings that occur as the station moves in and out of direct sunlight. Installation of the blankets is expected to reduce the temperature fluctuations and eliminate the �power spikes� seen as the wings pivot. The spacewalkers will go out of Endeavour�s airlock, then get a 50-foot lift from the shuttle�s robotic arm. They will have to climb with the blankets another 30 feet to the worksite, atop the P6 Truss and about 80 feet from Endeavour�s cargo bay. Community Email This Article Comment On This Article Related Links ISS/Shuttle Portal at NASA Station Science at Marshall SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express Space Station News at Space-Travel.Com
NASA Had No Choice But To Buy Soyuz Flights
Washington DC (SPX) Jan 09, 2006NASA's announcement last week that it will pay Roskosmos $43.6 million for a round-trip ride to the International Space Station this spring, and an equivalent figure for an as-yet-undetermined number of future flights to the station until 2012, represents the agency's acknowledgment that it had no alternative. |
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