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	Spaceflight Now \| STS-98 Mission Report \| Astronauts sail through second successful spacewalk
		The Atlantis astronauts staged a near-perfect spacewalk Monday, connecting a shuttle docking port to the $1.4 billion Destiny laboratory module, installing a mounting fixture for a new robot arm and opening the lab's picture window on the world.
		This was the 99th U.S. spacewalk, the 59th carried out by shuttle astronauts and the 15th devoted to space station assembly.
		The major goal of the spacewalk was to mount a shuttle docking port known as PMA-2 on the Destiny module's forward hatch.
	spaceflightnow.com /station/stage5a/010212fd6/index2.html (1193 words)

	HoustonChronicle.com - Successful spacewalk a major step for NASA
		The spacewalk began at 7:40 a.m., and the astronauts closed the hatch to the airlock at 2:02 p.m.
		This spacewalk had not been planned, but NASA decided it was needed after the loss of space shuttle Columbia caused the agency to reduce the station's crew complement from three astronauts to two, a change scheduled to take place April 26.
		The technical highlight of the spacewalk came as Pettit sought to loosen an arm that was supposed to extend away from the space station and shine a light.
	www.chron.com /cs/CDA/story.hts/space/1858501 (478 words)

	Extra-vehicular activity - Wikipedia, the free encyclopedia
		The first EVA by a non-Soviet, non-American astronaut was made on 1988 December 9 by Jean-Loup Chrétien of France during a three-week stay on the Mir space station.
		The first EVA that was a moonwalk rather than a spacewalk was made by American astronaut Neil Armstrong on 1969 July 20 when the Apollo 11 Lunar Module Eagle landed on the Moon.
		Other possible problems include a spacewalker becoming separated from their craft or suffering a spacesuit puncture which would depressurize the suit, causing anoxia and rapid death if the spacewalker is not brought into a pressurized spacecraft quickly.
	en.wikipedia.org /wiki/Spacewalk (921 words)

	Spacewalk thruster incident alarms NASA - Space News - MSNBC.com (Site not responding. Last check: 2007-11-06)
		It was the first spacewalk of the mission for the pair, who are halfway through their six-month stay on the station.
		During the spacewalk, the station's stabilizing gyroscopes repeatedly became overloaded with a mysterious torque, and they had to be relieved periodically by firing rocket thrusters located on the Russian half of the station.
		Once the spacewalk began, however, television scenes were received intermittently, as the antenna temperature fluctuated near the critical limit and as the line-of-sight to relay satellites suffered frequent blockages from station structures.
	www.msnbc.msn.com /id/6890895 (859 words)

	USATODAY.com - Space station astronauts take spacewalk (Site not responding. Last check: 2007-11-06)
		The spacewalk — unable to be completely televised because of a cold station antenna — was the first in Chiao and Sharipov's mission, now at the 3{-month point.
		As a result, no one was left inside during the spacewalk to monitor station systems, and flight controllers kept tabs on things, an increasingly common practice in the wake of the Columbia disaster two years ago.
		A late addition to the spacewalk was the inspection of exterior vents for the main oxygen generator and air purifiers.
	www.usatoday.com /tech/science/space/2005-01-26-spacewalk_x.htm (788 words)

	STS-110
		It was the 35th spacewalk devoted to station assembly and the 10th staged from the station itself.
		The spacewalk was from 1405 to 2139 UTC.
		As the spacewalk neared its completion, final diagnostic tests of the newly wired station arm were taking longer than planned, and because the Canadarm2 is required for the airlock ladder to be pivoted away from the truss to Quest, flight controllers decided to defer its installation until the final spacewalk on Tuesday.
	www.astronautix.com /flights/sts110.htm (11594 words)

	SPACE.com -- STS-109 Mission Update Archive
		What for the most part will be a very familiar spacewalk has begun in Earth orbit as astronauts Jim Newman and Mike Massimino are totally relying on their spacesuits for life support for the next seven hours.
		Nearly a repeat of Monday morning's spacewalk, this extravehicular activity will feature the replacement of the Hubble Space Telescope's port side solar array with new rigid solar wing that is slightly smaller, a little heavier and more efficient in generating electricity than its predecessor.
		Spacewalking astronaut Mike Massimino has finished installing a new Reaction Wheel Assembly (RWA) unit, replacing a suspect unit that had a momentary glitch several months ago but otherwise was working fine.
	www.space.com /missionlaunches/sts109_journal-3.html (2270 words)

	HoustonChronicle.com - Space station crew plans unscheduled spacewalk
		The crew of the international space station is preparing for an unscheduled spacewalk early next month to install a backup power supply to one of four electrically driven gyroscopes that steer the orbital base, a NASA spokesman said Friday.
		The spacewalk preparations were begun as part of NASA's response to the Feb. 1 loss of the shuttle Columbia, said space agency spokesman Rob Navias.
		If the caretaker crew were required to conduct a spacewalk to deal with a gyro problem, there would be no one inside the space station to coordinate the outing, a circumstance NASA managers would prefer to avoid, said Navias.
	www.chron.com /cs/CDA/story.hts/space/1820477 (344 words)

	[No title]
		The options for the spacewalk include retrieving the satellite and accomplishing as many of the activities that had been scheduled during the time available to test hardware and techniques that will be used on the International Space Station.
		In preparation for the spacewalk, the crew yesterday lowered the air pressure in Columbia's cabin from the normal sea-level pressure of 14.7 pounds per square inch to 10.2 pounds per square inch, the pressure equivalent of about 10,000 feet altitude.
		The spacewalk included repeating part of the crane operations, but instead of the large simulated battery for the station, the astronauts worked with a smaller orbital replacement unit simulator which represents small objects it will have to move during station assembly.
	science.ksc.nasa.gov /shuttle/missions/sts-missions-flown-06.txt (21686 words)

	Spacewalk planned despite fears - washingtonpost.com Highlights - MSNBC.com
		The spacewalk, planned for Thursday, calls for the American astronaut and the Russian cosmonaut aboard the space station to be outside the craft at the same time, leaving ground-based controllers to fly the station and no one inside to monitor systems directly or assist in a crisis.
		To assure the safest possible spacewalk, the orbital outpost must be reconfigured in a variety of ways that affect its normal operations and, as a NASA document notes, may "introduce vulnerabilities." Gerstenmaier compared it to readying your house before you go on vacation.
		If the spacewalk had to be terminated in an emergency, the crew would have to close out its work, float to the airlock and repressurize it normally.
	msnbc.msn.com /id/4347454 (1533 words)

	NASA - Gyro On Line After ISS Spacewalk Success
		In their investigation of the June 24 spacewalk, managers found the balky handle was not fully seated into the closed position before the spacewalk started.
		Spacewalk preparation procedures were updated to provide additional verification to ensure the handle was in the proper position.
		The spacewalkers used VHF radio antennas on the Russian end of the Station, and there was concern that the truss structure could interfere at times with those radio signals.
	www.nasa.gov /vision/space/workinginspace/exp9_eva_advancer.html (1331 words)

	STS-112
		It is the 46th spacewalk devoted to the assembly and maintenance of the station.
		The spacewalk began at 9:11 a.m., and was the 46th devoted to assembly and maintenance of the station.
		Now that the outside work has been completed with the third spacewalk Monday, crewmembers aboard Space Shuttle Atlantis and the International Space Station today turn their attention to the remaining inside work to be done prior to the shuttle's departure Wednesday from the ever growing orbital outpost.
	www.astronautix.com /flights/sts112.htm (8859 words)

	CNN.com - Malfunctioning spacesuit cuts spacewalk short - Feb. 27, 2004
		A riskier-than-usual spacewalk outside the international space station was cut short Thursday night because of a malfunction that left one of the two crewmen with a warm, damp suit.
		It was necessitated by the grounding of NASA's shuttle fleet in the wake of the Columbia accident.
		Everything went well until three hours into the spacewalk, when Kaleri reported that the inside of his helmet was wet.
	www.cnn.com /2004/TECH/space/02/26/space.station.ap (743 words)

	NASA - ISS Spacewalk Successful
		The first task during the spacewalk was replacement of a pump panel atop the Zarya module.
		The spacewalk was completed earlier than scheduled largely because the spacewalkers continued working through some of the periods of orbital darkness instead of resting.
		The spacewalk was the fourth for Fincke and the sixth for Padalka.
	www.nasa.gov /vision/space/workinginspace/exp9_eva4.html (584 words)

	CNN.com - Space - Discovery astronauts wrap final spacewalk - October 18, 2000
		The spacewalkers also used their PGTs to test the latches that will grab the next big piece of the station due for delivery.
		Spacewalkers obey a strict "double tether" rule -- meaning they are always attached to either the shuttle or the space station, even as they move long distances away from the airlock.
		But during spacewalks outside the station, that safety net won't be there, since the hulking station is just not nimble enough.
	www.cnn.com /2000/TECH/space/10/18/shuttle.02/index.html (1064 words)

	[No title]
		They wrapped up the spacewalk in 4 1/2 hours, more than an hour early, earning praise for their quick action.
		Engineers have yet to identify the source of the mysterious force that tilts the space station during spacewalks and causes the American-made gyroscopes to lose steering control.
		This time, flight controllers were careful not to fire the thrusters until the spacewalkers were at a safe distance.
	www.firstcoastnews.com /news/usworld/news-article.aspx?storyid=34639 (634 words)

	NASA - Expedition 8 Spacewalk
		The residents of the International Space Station have conducted the first ever two-man spacewalk without a crewmember inside, but the planned five and a half hour-spacewalk was cut short by a cooling system problem with one of the Russian Orlan suits.
		The spacewalk by Expedition 8 Commander Mike Foale and Flight Engineer Alexander Kaleri proceeded smoothly and problem-free for almost three hours until Kaleri reported that drops of water were beginning to form inside his helmet visor and that his suit temperature was a little warm.
		It was the 52nd spacewalk in support of Station assembly and maintenance, the 27th staged from the Station itself, the fourth for Foale and Kaleri's fifth.
	www.nasa.gov /vision/space/workinginspace/ex8_spacewalk.html (477 words)

	Spaceflight Now \| Breaking News \| Station spacewalk postponed due to medical issue
		A news conference to discuss the goals of the spacewalk, the 50th devoted to station construction and the 25th to be staged without a shuttle present, was called off Monday evening.
		During Endeavour's mission, a new solar array truss segment was attached to the lab complex during three spacewalks by shuttle astronauts John Herrington and Michael Lopez-Alegria.
		Because there is no real hurry to conduct this spacewalk - and because the unidentified medical issue is not considered serious - mission managers simply decided to postpone it until after the first of the year.
	www.spaceflightnow.com /news/n0212/10exp6eva (423 words)

	SpaceWalk
		SpaceWalk of Honor is a brick-paved walkway, which offers everyone an opportunity to be forever recognized as a supporter of America's space program.
		SpaceWalk encircles the reflective ponds adjacent to the Space Mirror Memorial and near the exciting exhibits and memorabilia displayed at the Visitor's Complex.
		Your participation on SpaceWalk benefits the educational programs of The Astronauts Memorial Foundation and the NASA Alumni League, Florida Chapter.
	www.amfcse.org /spacewalk.htm (181 words)

	Astronauts spacewalk to patch insulation (Site not responding. Last check: 2007-11-06)
		There was not enough time to do all the repairs, so NASA ordered the crew to conduct an extra spacewalk, on Monday night, to finish covering the torn insulation.
		Sunday night's spacewalk was supposed to be for equipping Hubble with new drive electronics for its solar panels and sturdier caps for its two magnetometers, part of the guidance system.
		The bulk of insulation repairs will be conducted during the newly scheduled spacewalk No. 5 on Monday night by Mark Lee and Steven Smith, who installed three Hubble parts Saturday night.
	www.lubbockonline.com /news/021797/astronau.htm (410 words)

	Spaceflight Now \| Space Station Stage 11A \| Final spacewalk completed despite transporter trouble
		In one of the more challenging space station assembly spacewalks to date, two astronauts managed to accomplish all of their primary objectives today even though problems moving the station's $290 million robot arm transporter prevented them from using the Canadarm2 space crane as originally planned.
		The next station spacewalk is planned for early December and the transporter may be left where it is on the outboard side of the P1 truss before it is moved back to its normal stowage position on the central S0 truss.
		Following the spacewalk, the arm was to walk off the transporter and back to a grapple fixture on the lab module before the MT itself was ordered to return to work site 4.
	www.spaceflightnow.com /station/stage11a/021130eva3 (1167 words)

	Foale gets green light for Mir spacewalk
		Making only the second Russian-U.S. spacewalk, the two men are to look for punctures in the damaged Spektr module, pierced by a cargo ship in a June 25 collision with Mir.
		He was openly disappointed at the scrubbing of his first scheduled spacewalk - Mission Control called it that although it was inside the station - into the airless, sealed-off Spektr in July.
		The spacewalkers will closely inspect the Mir hull and videotape any damage, searching in particular for holes in a radiator that was hit by the supply ship, as well as around a solar array on Spektr that got mangled.
	www.lubbockonline.com /news/090597/LA0706.htm (678 words)

	Discovery Channel :: News :: Space Station Crew Nails 1st Spacewalk (Site not responding. Last check: 2007-11-06)
		The spacewalkers had no problems installing the bionic arm, named Rokviss, but initial attempts to turn on its power supply failed.
		The spacewalk was the first since the Expedition 10 crew arrived at the station in mid-October.
		The crew may be asked to do more troubleshooting during their next spacewalk, targeted for late March.
	dsc.discovery.com /news/briefs/20050124/spacewalk.html (397 words)

	Spacewalk To Repair Station to Proceed (washingtonpost.com)
		The spacewalk by space station commander Gennady Padalka of Russia and science officer Mike Fincke of the United States, to replace a faulty circuit breaker, will be the first time that astronauts will use Russian spacesuits to work on the U.S. side of the station.
		The spacewalk is also only the second time that a U.S. astronaut will work outside without a third person to assist from within the spacecraft.
		The spacewalk has been planned for two months, since a circuit-breaker malfunction caused one of the station's four main gyroscopes to shut down.
	www.washingtonpost.com /wp-dyn/articles/A61982-2004Jun22.html (645 words)

	ABC News: Station crew finishes spacewalk (Site not responding. Last check: 2007-11-06)
		The outing was the first for the crew since they arrived at the station four months ago and was cut short by an hour when they ran out of time for their final task.
		Phillips, a U.S. astronaut who made his first spacewalk, lingered in the airlock for a few minutes to prepare equipment and adapt to the new environment before joining Krikalev outside the space station.
		The final task of the spacewalk was to relocate a grapple fixture for a crane from outside the Zarya navigation and communications module and reposition it on the Unity connecting node.
	abcnews.go.com /US/wireStory?id=1050269 (325 words)

	spacetoday.net: Shortened ISS spacewalk completed
		The start of the spacewalk was delayed by one hour and 43 minutes because of misconfigured oxygen valves in their spacesuits.
		Korzun and Whitson were able to complete the primary task of the spacewalk, the installation of six debris shields on the exterior of the Zvezda module that will protect it from micrometeoroid and orbital debris impacts.
		Additional tasks planned for the spacewalk — the refurbishment of an experiment on Zvezda hull as well as gathering samples of thruster residue — were put off until a future EVA.
	www.spacetoday.net /Summary/1103 (263 words)

	New Scientist Breaking News - Space station gyro fixed after tricky spacewalk
		The two-man crew of the International Space Station completed an unusually complicated spacewalk on Thursday morning, successfully repairing a gyroscope used to maintain the station's orientation.
		Their first excursion into space, on 24 June, was cut short when pressure in Fincke’s spacesuit oxygen tank started falling rapidly, a problem that was traced to a faulty control switch.
		Fears that the astronauts would have trouble communicating during the spacewalk, due to their distance from the Russian antenna, proved unfounded.
	www.newscientist.com /article.ns?id=dn6103 (411 words)

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