Expedition 70: Spacewalk Prep, Human Research, and Orbital Plumbing on the Space Station

From left, astronauts Andreas Mogensen, Loral O’Hara, and Jasmin Moghbeli are pictured in their spacesuits training for spacewalks on Earth. Credit: NASA

Spacesuit preparations took a break on Thursday, October 5, as the Expedition 70 crew turned its attention to human research including behavioral studies, eye exams, and a fitness evaluation. The International Space Station (ISS) residents also focused on an array of science hardware maintenance and orbital plumbing tasks.

NASA astronaut Loral O’Hara spent her day participating in the CIPHER human research study to understand how living in space affects an astronaut’s mind and body. She practiced simulated robotics maneuvers on a computer to assess changes in her cognition and brain function. She also processed blood and urine samples for insights into her immune and heart health. The experiment is observing the combined effects of radiation, isolation, long distances, microgravity, and closed environments on crews.

NASA astronaut and Expedition 70 Flight Engineer Loral O’Hara is pictured trying on her spacesuit and testing its components aboard the International Space Station’s Quest airlock in preparation for an upcoming spacewalk. Credit: NASA

Flight Engineers’ Busy Schedule

Two flight engineers, Jasmin Moghbeli of NASA and Satoshi Furukawa of JAXA (Japan Aerospace Exploration Agency), had a busy day of science hardware work, robotics training, and eye checks. Moghbeli started her schedule by replacing components on the Cold Atom Lab and inspecting the quantum physics research facility. Furukawa began his shift configuring cameras and lights that will be installed outside the space station later. The pair then joined each other after lunch reviewing robotics procedures for an upcoming spacewalk. Finally, Furukawa examined Moghbeli’s eyes using standard medical imaging gear found in a doctor’s office on Earth.

Expedition 70 Commander Andreas Mogensen from ESA (European Space Agency) assists NASA astronaut Jasmin Moghbeli as she tries on her spacesuit and tests its components aboard the International Space Station’s Quest airlock in preparation for an upcoming spacewalk. Credit: NASA

Upcoming Spacewalks

NASA managers will discuss two spacewalks scheduled for October 12 and 20 for science and maintenance at 1 p.m. EDT on Friday on NASA TV. For the first spacewalk, astronauts O’Hara and Andreas Mogensen from ESA (European Space Agency) will collect external microbe samples for analysis. The second spacewalk will see O’Hara and Moghbeli remove and replace communications and solar array hardware.

Training and Maintenance Activities

Mogensen, commander of Expedition 70, spent Thursday afternoon in the Tranquility module servicing life support components. Before that, he joined his crewmates Moghbeli and Furukawa, and Roscosmos cosmonaut Konstantin Borisov for a medical emergency training session. The astronauts gathered together to locate medical hardware, coordinate rescue roles, and practice cardiopulmonary resuscitation, or CPR, as part of the training session. The foursome launched to the orbital lab as members of the SpaceX Crew-7 mission on August 26, 2023.

Fitness and Orbital Lab Maintenance

Earlier in the day, cosmonaut Nikolai Chub assisted Borisov as he attached sensors to himself and pedaled on an exercise cycle for a physical fitness evaluation. Doctors evaluate the downlinked exercise data to understand a crew member’s aerobic and cardiovascular conditioning in weightlessness. Chub would spend the rest of the day on electronics and computer maintenance.

The orbiting lab’s most experienced crew member, cosmonaut, and five-time station visitor Oleg Kononenko, started his day in the Zvezda service module replacing orbital plumbing parts. Afterward, Kononenko swapped gases for a space physics study and synchronized clocks on cameras to station computers.

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