NASA astronaut Mark Vanderhey arrived at the International Space Station on April 9, 2021, completing a 300-day trip to space on Wednesday.
On March 3, Vande Hei will surpass NASA astronaut Christina Koch’s 328-day mission.
On March 15, Vande Hei will overtake former NASA astronaut Scott Kelly’s 340-day mission.
Van der Hey will return to Earth on March 30 after NASA astronauts spent a record-breaking 355 days in Earth orbit, NASA said on its website.
Vande Hei was launched into the orbiting laboratory with Roscosmos astronauts Oleg Novitskiy and Pyotr Dubrov as part of the Soyuz MS-18 mission.
Soyuz commander Nowitzki returns to Earth with Russian film actor Yulia Peresild and director Klim Shipenko on October 17, 2021.
Vandei Hei and flight engineer Dubrov completed 273 days in the orbiting laboratory on Jan. 6 and surpassed the record set by NASA astronaut Andrew R Morgan on the space station.
Vandei Hei and Dubrov reached their 300-day milestone on the space station on Wednesday. Capsule Communications (CapCom) Woody Hobaugh from Mission Control Houston congratulated Vande Hei and Dubrov on this feat. On the way to and from the space station, CapCom is an astronaut on Earth who communicates with the crew of the spacecraft.
Vandei Hei, Dubrov and station commander Anton Shkaplerov will return to Earth in late March aboard the Soyuz MS-19 crew spacecraft.
Experiments conducted by Expedition 66
The Expedition 66 crew continues to conduct space biology and human research activities on the space station. Using this data, scientists will learn how to improve the health of space and Earth.
On Wednesday, NASA astronaut Raja Chari and European Space Agency (ESA) astronaut Matthias Maurer conducted a study of visual function inside the Kibo Lab module on the International Space Station. Astronauts explore how microgravity affects blood vessel function and tissue remodeling in the eye.
Another visual study was conducted to explore how astronauts interpret motion, orientation and distance in space. NASA flight engineer Kayla Barron participated in the study.
Chari then used medical imaging equipment or optical coherence tomography to examine the eye of NASA flight engineer Thomas Marshburn. Maurer started his day in the Columbus Lab module setting up virtual reality equipment for training sessions and assisting Chari and Mashburn.
On Thursday, Shkaplerov repaired video equipment, transferred cargo from the Prichal docking module and set up Earth observation hardware.
Vande Hei and Dubrov teamed up to install internal wireless equipment on the Russian portion of the space station.

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