[6] Kimbrough, along with cosmonauts Sergey Ryzhikov and Andrey Borisenko of Roscosmos, undocked from the station at 7:57 UTC on April 10 in the Soyuz MS-02 spacecraft, they landed safely southeast of Dzhezkazgan, Kazakhstan.

[8] Throughout the Expedition, the crew swapped between their roles as orbital scientists to maintenance technicians, from a morning of observing what happens to materials heated to extreme temperatures in zero-g to flushing water tanks in Progress M-66.

She received a congratulatory call from the President of the United States Donald Trump where she and Fischer discussed NASA's research in space and plans to go to Mars in the 2030s.

[18] One symptom of living in space for long periods is the pressure that builds up behind the eyes due to the upward flow of fluids resulting in astronauts reporting vision problems during and after their long-term missions.

Expedition 51 regularly underwent ultrasound scans of their eyes and vision tests as part of a long running series of studies to help NASA plan missions further out in space.

[21] Another study, a winning proposal submitted during a student science competition, was tracking how space travel impacted astronaut's DNA and immune system.

[23] On May 15, Japan's Kibo lab module ejected numerous types of Cubesats into space to study the earth's thermosphere properties and test experimental radar systems.

[25] Whitson and Fischer completed a four hour space walk on May 12 to replace a large avionics box that supplied electricity and data connection to science experiments.