Crew Works Cargo, Biomedical Ops, and Spacewalk Preps
Cargo operations and spacewalks preparations topped the schedule aboard the International Space Station on Wednesday. The Expedition 71 crew members also worked on biomedical research and reviewed procedures for a simulated emergency.
NASA astronauts Tracy C. Dyson and Mike Barratt kicked off their day swapping cargo in and out of the SpaceX Dragon cargo spacecraft that arrived at the orbital outpost on March 23. Afterward, NASA Flight Engineers Matthew Dominick and Jeanette Epps took over the cargo transfers and wrapped up the work before lunchtime. Dragon is due to undock from the Harmony module’s space-facing port and return to Earth at the end of the month.
The quartet regrouped in the afternoon and participated in a pair of space biology activities to help doctors understand how the human body adapts to weightlessness. First, Barratt operated the Ultrasound 2 device and scanned Dyson’s neck, shoulder, and leg veins as part of regularly scheduled medical checkups. Barratt then joined Dominick and Epps to try on and test a garment that may help crews adjust quicker to the return to Earth’s gravity after a long-term space mission. The threesome then measured the circumference of the waist and right leg during the garment fit check.
Cosmonauts Oleg Kononenko and Nikolai Chub continue preparing for this year’s first spacewalk. The duo from Roscosmos were once again collecting tools, configuring spacesuits, and readying the Poisk airlock for their planned seven-hour spacewalk scheduled for April 25. The pair also took turns during the morning wearing a cap packed with sensors while practicing on a computer futuristic spacecraft and robotic piloting techniques that may be used on planetary missions. Flight Engineer Alexander Grebenkin worked throughout the day servicing a variety of life support hardware and video gear in the space station’s Roscosmos segment.
At the end of the day, all seven orbital residents gathered together and watched a video describing the operation of emergency simulation software. Next, the crewmates familiarized themselves with emergency hardware, such as breathing masks, and procedures, including closing hatches and evacuation paths.
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.
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Mark Garcia
