Expedition 71 Flight Engineer and NASA astronaut Mike Barratt tests portable breathing gear aboard the International Space Station's Destiny laboratory module.

A suite of on-orbit training topped Tuesday's schedule aboard the International Space Station as the Expedition 71 crew gets ready for a spacecraft relocation on Thursday and a crew arrival next week. Four crew members also spent some time conducting ongoing health research to help scientists on Earth better understand the effects of spaceflight on the human body.

In the morning, NASA Flight Engineers Mike Barratt and Jeanette Epps assisted one another with ultrasound scans of veins in their necks, shoulders, clavicles, and back of the knees. The duo was then joined by their other Crew-8 crewmates, Flight Engineers Matthew Dominick of NASA and Alexander Grebenkin of Roscosmos, to review procedures and complete training for the upcoming relocation of their SpaceX Dragon spacecraft.

The quartet will suit up Thursday, May 2 and enter Dragon for an undocking from the forward port of the Harmony module at 7:45 a.m. EDT. They will then take a short ride aboard Dragon before redocking to the zenith port of Harmony around 8:28 a.m.

This relocation will make room for the Starliner spacecraft as part of NASA's Boeing Crew Flight Test, scheduled to launch Monday, May 6 at 10:34 p.m. Starliner will carry NASA astronauts Butch Wilmore and Suni Williams to the station for a docking around 12:48 a.m. Wednesday, May 8. The duo will join the Expedition 71 crew in low Earth orbit for about a week before returning home.

After lunch, the Crew-8 cadre was joined by astronaut Tracy C. Dyson of NASA, space station Commander Oleg Kononenko, and Flight Engineer Nikolai Chub of Roscosmos to complete a fire training session in the event an emergency were to occur aboard station. The septet then spent some time discussing the training and holding a conference with ground teams.

In the evening, Dominick set up tomography hardware and assisted Dyson with an eye exam. Dyson then shut down and stowed the hardware, wrapping up a round of health exams for the week.

On Earth, a SpaceX Dragon cargo spacecraft, which spent about a month docked to the orbiting laboratory, splashed down off the coast of Florida at 1:38 a.m. Tuesday, April 30, returning more than 4,100 pounds of supplies and scientific experiments back to researchers.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly updates from NASA Johnson Space Center at: https://roundupreads.jsc.nasa.gov/

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