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Three space station fliers prep for return to Earth


Less than a week after winding up a successful spacewalk, outgoing space stationcommander Jeff Williams, America’s most experienced astronaut, will join two Russian cosmonauts for a fiery descent to Earth Tuesday evening to close out a 172-day mission covering 2,752 orbits and 72.8 million miles since launch last March.

Article by William Hardwood

“I will certainly miss this view!” Williams tweeted from the station early Tuesday, sending down a photo of Earth’s limb in brilliant sunlight. “Vast gratitude toward my crewmates, ground teams, supporting friends, and family.”

In a change-of-command ceremony Monday, Williams, 58, said leaving the station marked a “bittersweet” time for the departing crew members, saying all three were “ready to go home and be with our families.”

“We’ve enjoyed a great stay up here over the last five-and-a-half months,” he said. “This is a very significant time, in my opinion, in the life of the space station, going into the full utilization mode, being the orbiting laboratory we’ve always said it was going to be.”

He thanked his family, friends and space station personnel on the ground, saying “we could not have done this without their sacrifice and their support and encouragement. We look forward to seeing our families very, very soon.”

Williams, Soyuz TMA-20M commander Alexey Ovchinin and flight engineer Oleg Skripochka plan to undock from the International Space Station’s upper Poisk module at 5:51 p.m. EDT (GMT-4) Tuesday, backing away to a safe distance while they make final preparations for re-entry.

Looking on from inside the station will be Expedition 49 commander Anatoly Ivanishin, Japanese astronaut Takuya Onishi and NASA astronaut Kate Rubins. Launched to the station July 6 aboard the Soyuz MS-01 spacecraft, Ivanishin and his crewmates will have the space lab to themselves until Sept. 25 when three fresh crew members arrive.

“We’ll be missing you here,” Ivanishin said Monday. “Have fun riding though the atmosphere, enjoy seeing plasma in the windows and have a very safe, and exceptionally soft, landing. All the best.”

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Jeff Williams, front left, Oleg Skripochka, front center, and Soyuz TMA-20M commander Alexey Ovchinin, front right, hand over the station to their Soyuz MS-01 crewmates during a change-of-command ceremony Monday. Floating behind them are Kate Rubins, back left, Expedition 49 commander Anatoly Ivanishin, back center, and Japanese astronaut Takuya Onishi. NASA

After making sure the Soyuz TMA-20M spacecraft is ready for its descent, Ovchinin, flanked on the left by Skripochka and on the right by Williams, will oversee a computer controlled de-orbit rocket firing starting at 8:21 p.m.

The four-minute 41-second burn will slow the ship by 286 mph, just enough to drop the far side of the orbit deep into Earth’s atmosphere. After a 25-minute free fall to just above the top of the discernible atmosphere, the three modules making up the Soyuz TMA-20M spacecraft will separate.

A few moments after that, the central crew cabin, the only module protected by a heat shield, will slam into the atmosphere at an altitude of 62 miles and a velocity of some 17,000 mph.

Using atmospheric friction to slow down, the descent module’s main parachute will deploy at an altitude of 6.7 miles and the spacecraft will land with a rocket-assisted touchdown on the steppe of Kazakhstan near the town of Dzhezkazgan around 9:14 p.m. (7:14 a.m. Wednesday local time).

Recovery crews stationed nearby will help the returning crew members out of the cramped descent module, carry out brief medical exams and fly all three back to Karaganda where Williams will board a NASA jet for the long flight back home to Houston.

Asked what he was looking forward to the most, Williams said “obviously, family is the first thing, my wife, she’s the real hero in all this putting up with me being up here that many days.”

“I look forward to quiet, just relaxing someplace, enjoying the views, enjoying the smells of Earth, all those things that we normally take for granted,” he told CBS News last month. “You miss that when you’re up here. We have continuous noise up here from fans and pumps; it’s not loud, but it’s continuous.”

All in all, he said, “just the simple things in life. Good food, anything my wife wants to cook, I look forward to that, those kinds of things, friends.”

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Jeff Williams, during one of the two recent spacewalks outside the International Space Station. His spacewalk total over four missions and five EVAs now stands at 31 hours and 55 minutes. NASA

Williams and his two crewmates were launched​ from the Baikonur Cosmodrome in Kazakhstan on March 18 and landing closes out a busy increment highlighted by two spacewalks, the arrival of two Russian Progress cargo ships, a pair of SpaceX Dragon freighters, an Orbital ATK Cygnus supply craft and the Soyuz MS-01 crew.

During a spacewalk Aug. 19, Williams and Rubins attached a new docking mechanism to the front of the station that will allow new commercial crew ferry ships being built by Boeing and SpaceX to dock at the lab complex, ending NASA’s sole reliance on Russia’s Soyuz for transportation.

During a second spacewalk last Thursday, Rubins and Williams, making his fifth EVA overall, retracted a cooling radiator, installed two high-definition cameras and performed other routine maintenance. The two astronauts logged 12 hours and 46 minutes during the two excursions, pushing Williams’ overall total through five EVAs to 31 hours and 55 minutes.

Those spacewalks cover much of the history of the International Space Station with his first excursion coming during a shuttle maintenance mission in May 2000. He then ventured outside a second time with a Russian cosmonaut in June 2006 to perform maintenance on the Russian segment of the station. Two months after that, he went back outside with a European Space Agency astronaut to work on the station’s cooling system.

Williams served as commander of Expedition 22 during his second long-duration stay aboard the lab and again as commander of Expedition 48 during this most recent mission.

With touchdown, Ovchinin, completing his first space flight, will have logged 172 days in space while flight engineer Skripochka’s record over two flights will stand at 331 days.

For Williams, the end of the mission marked a personal milestone. On Aug. 20, he surpassed the U.S. record for most cumulative time in space​ — 520 days — that was set earlier this year by astronaut Scott Kelly​ at the end of his nearly yearlong mission.

With landing Tuesday, Williams’ mark will stand at 534 days aloft over four missions, moving him up to 14th on the list of most experienced spacemen. The overall record is held by Gennady Padalka, who has logged 878 days in space over five missions.

“I appreciate, Jeff, your efforts as space station commander,” Ivanishin said during the change-of-command ceremony. “I’ll take care of the crew and the station. And I promise you, when you return to celebrate your first 1,000 days in space, the station will be in better shape!”

Williams, Ovchinin and Skripochka will be replaced aboard the station by the Soyuz MS-02 crew, scheduled for launch from Baikonur on Sept. 23. After a two-day rendezvous, vehicle commander Andrey Borisenko, flight engineer Sergey Ryzhikov and NASA astronaut Shane Kimbrough will dock at the Poisk module to boost the lab’s crew back to six.

Ivanishin, Onishi and Rubins are scheduled to return to Earth Oct. 30.

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