STS-102 Day 3 Highlights

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On Saturday, March 10, 2001, 4:00 a.m. CST, STS-102 MCC Status Report # 5 reports:

Commander Jim Wetherbee waited patiently as International Space Station controllers locked solar arrays in place before he steered the Space Shuttle Discovery to a 12:38 a.m. CST Saturday docking.

“You have a great looking ship there, Captain Shepherd,”

Wetherbee radioed to the station.

The linkup, which occurred as the two spacecraft were flying above the southern Pacific Ocean, just east of New Zealand, was delayed by about an hour when one of the station’s P-6 solar arrays failed to register as being properly feathered to avoid damage from the shuttle steering jet plumes. Wetherbee hovered 400 feet away from the Pressurized Mating Adapter-2 port as he awaited the array latch verification and proper lighting conditions for his final approach.

Station flight controllers and crew members also teamed up to overcome a shuttle communications problem that occurred just after docking. Downlinked signals could not be relayed from the White Sands Ground Station in New Mexico to Houston for about 34 minutes, but messages were passed on to the shuttle crew via the space station control room and a radio link between the station and shuttle.

After hooks and latches created a secure bond, the hatches between the two spacecraft were opened at 2:51 a.m. CST, beginning eight days of docked operations. The eighth shuttle mission to the station will feature the first crew exchange aboard the multinational orbiting outpost and the delivery of the first research experiment package for the Destiny laboratory module.

Expedition Two Commander Yury Usachev was the first to join Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev aboard the station. He was followed closely by Wetherbee, Expedition Two Flight Engineers Jim Voss and Susan Helms, and visiting shuttle astronauts Jim Kelly, Andy Thomas and Paul Richards. All 10 crew members spent several minutes greeting each other in the spacious Destiny module.

The arrival of Discovery signaled the beginning of the end of the Expedition One crew's four and a half month stay onboard the International Space Station. The first crew members to trade places Saturday morning were Usachev and Gidzenko. Voss and Krikalev will switch out on Sunday. Shepherd won’t trade his personalized Soyuz seat liner for Helms’ until Tuesday evening, allowing almost a week for the the two commanders to exchange notes. Shepherd remains in control of expedition operations until the hatches close for the final time next Saturday.

The hatches between the two spacecraft were to be closed temporarily about 5:45 a.m. CST Saturday so that preparations for STS-102's first space walk by Helms and Voss can begin on time at 10:47 p.m. CST Saturday. That space walk will involve preparations for berthing of the Leonardo “moving van,” or Multipurpose Logisitics Module to the Destiny module.

The orbiting complex is operating in fine shape at an altitude of

235 statute miles.

The next status report will be issued Saturday morning.

On Saturday, March 10, 2001, 7:00 p.m. CST, STS-102 MCC Status Report # 6 reports:

With an exchange of space station crew members already under way, Discovery’s crew turns its attention to continuing assembly of the orbital outpost, conducting a space walk set to begin just before 11 p.m., or earlier, to reposition a docking port and installing gear in preparation for the arrival of the station’s Canadian-built robotic arm next month.

While their Commander Yury Usachev begins a handover of duties from Expedition One Commander Bill Shepherd aboard the International Space Station, the remaining members of the second station crew, astronauts Jim Voss and Susan Helms, will perform the space walk tonight, which will be the 17th devoted to assembly of the station.

The shuttle crew was awakened this evening by the song “Nothing’s Gonna Stop Us Now,” performed by Starship and played in anticipation of the planned Extravehicular Activity (EVA). Voss and Helms were scheduled to begin putting on their spacesuits about 7:30 p.m. Throughout the planned seven hour EVA, they will be assisted by Paul Richards, serving as the in-cabin space walk choreographer.

Once outside the shuttle’s airlock, their first tasks will be to prepare for the repositioning of Pressurized Mating Adapter 3 – a shuttle docking port – which will be repositioned from the Earth-facing berth on the Unity module to its left-side berth. They will detach cables on that docking port and also detach a communications antenna from the left-side berth on Unity. Then their work will focus on preparing the exterior of the station’s Destiny Laboratory for the arrival of the space station robotic arm that will be launched aboard Endeavour next month. They will attach an exterior cradle to the lab as well as cables that will be used for the arm’s installation.

After about six hours of work, Voss and Helms will return to Discovery’s airlock where they will stand by, ready to assist if needed, as Andy Thomas uses the shuttle’s robotic arm to reposition the docking port. After more than seven hours outside, they plan to repressurize the airlock and enter Discovery’s cabin at about 6:12 a.m. Sunday.

The hatches between Discovery and the International Space Station are closed now after having been opened for only a couple of hours early this morning just after Discovery docked to the complex. Usachev immediately moved to the station from the shuttle and Yuri Gidzenko, pilot for the first station crew, moved to Discovery. The hatches between the two spacecraft are to be reopened shortly after 8 p.m. Sunday, as the crew begins the fifth day of the mission.

Discovery and the station are in excellent condition in an orbit with a high point of 237 statute miles and a low point of 230 statute miles. The next mission control center status report will be issued Sunday morning.

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