NASA TV coverage of the crew’s farewell and the hatch closure will begin 3:30 p.m. Wednesday . The undocking cover will start to 19 h , and coverage of burns and desorbitation landings 21h30
Sure Tuesday, October 20 , Cassidy will hand over command of the station to the newly arrived cosmonaut Sergey Ryzhikov of Roscosmos during a change of command ceremony which will be broadcast live to 16 h 15 on NASA TV.
The three crew members will complete a 196-day mission spanning 3,136 Earth orbits and 83 million miles. Cassidy completes her third flight for a total of 378 days in space, the fifth highest total among American astronauts. Ivanishin completes his third space flight, totaling 476 days. It was Vagner’s first space flight.
After landing, the crew will return by Russian helicopters to the recovery town of Karaganda, Kazakhstan . From there, Cassidy will board a NASA plane for a flight back to Houston , while Ivanishin and Vagner will board a plane from the Gagarin Cosmonaut Training Center and return home to Star City, Russia .
Upon undocking, Expedition 64 will begin aboard the station, with Kate Rubins of NASA, the new commander of the Ryzhikov station and the cosmonaut Sergey Kud-Sverchkov from Roscosmos with a crew of three until the arrival of the SpaceX Crew-1 mission, which is scheduled to launch in November. NASA astronauts Michael Hopkins , Victor Glover and Shannon Walker , and Soichi Noguchi from the Japan Aerospace Exploration Agency, will launch the first long-duration crew trade mission to the station.
During their expedition, Cassidy, Ivanishin and Vagner greeted the arrival of NASA astronauts Robert Behnken and Douglas hurley on NASA’s SpaceX Demo-2 mission, the first crewed flight of a commercial spacecraft and the first launch of humans from American soil to the space station since the last flight of the space shuttle in 2011. While on board, Behnken joined Cassidy on four spacewalks battery replacement outside of the Orbital Complex Aging nickel-hydrogen batteries with new lithium-ion batteries.
Cassidy worked on numerous research experiments during her time aboard the Orbiting Lab, including the Onco-Selectors experiment, which arrived at the space station during Northrop Grumman’s 14th Commercial Refueling Mission earlier this month. . The Onco-Selectors survey harnesses microgravity to identify targeted therapies for cancer. He also contributed to the research on the Droplet Formation Study, which assesses water droplet formation and water flow, and worked with the cube-shaped, free-flying Astrobee robots tested for a use as astronaut assistants for routine tasks.
Learn more about space station activities by following @space station , and @ISS_Research on Twitter, as well as on the ISS Facebook and Instagram accounts and the Space Station Blog.
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