Science

Astronaut SEAL's Space Insights: A Week of Reflections and Milestones on the ISS

2025-06-14

Author: Jacob

A Week of Reflection on the International Space Station

As June 9-13 unfolded aboard the International Space Station (ISS), unexpected delays in the launch of a visiting crew allowed the Expedition 73 team to take a breather from their usual intensity. This week offered a unique chance for the crew to reflect on their maintenance tasks and celebrate both personal achievements and significant milestones.

Jonny Kim: The SEAL-Doctor-Astronaut's Insights

Flight engineer Jonny Kim, who transitioned from a Navy SEAL to a medical doctor and then to a NASA astronaut, shared his humbling experiences in space. "Space is one of the most humbling environments I’ve operated in," Kim stated, emphasizing the complexities of performing maintenance work in zero gravity.

Despite having Mission Control monitoring his efforts via live video, Kim faced challenges maintaining an organized workspace. He humorously noted, "On Earth, I can set my tools down without worrying. But here, if I drop something, it’s gone!" This revelation highlights the unique challenges astronauts face while working in space.

Scientific Advances and Groundbreaking Experiments

During their week in orbit, the crew participated in several exciting research projects. They performed eye exams using ultrasound technology, working with doctors on the ground to assess the effects of long-duration spaceflight on their vision. This critical research could provide insight into how microgravity impacts the human body.

Additionally, Commander Takuya Onishi performed maintenance on ongoing combustion experiments in Japan's Kibo lab, a project aimed at enhancing spacecraft safety. Meanwhile, other crew members tackled tasks such as setting up radiation monitoring equipment and capturing stunning images of Earth’s landmarks.

Maintaining the ISS: An Ongoing Challenge

Maintenance is crucial for the station's longevity. The crew focused on several tasks, including greasing the Enhanced European Exploration Exercise Device (E4D), which mimics various exercises like biking and rowing—a vital component for future lunar missions. The Waste and Hygiene Compartment was also attended to, with astronaut Anne McClain ensuring proper functioning of the station's bathroom facilities.

Meanwhile, Nichole Ayers serviced spacesuits while conducting critical checks on equipment needed for spacewalks.

Celebrating Milestones and Traditions

This week was particularly special for Anne McClain, who celebrated her 46th birthday in space, receiving heartfelt wishes and gifts from her crewmates. Furthermore, she marked an important historical milestone by connecting with U.S. Army Secretary Dan Driscoll to celebrate the Army's 250th anniversary, honoring her status as an active Army colonel.

Upcoming Challenges: Delayed Missions and Safety Precautions

The week also involved addressing safety concerns regarding air leaks in the Russian segment of the ISS. While these leaks have been contained, NASA and Axiom Space decided to postpone the launch of Axiom Mission 4 (Ax-4) to ensure further repairs could be implemented.

By the Numbers: Current Crew and Equipment on the ISS

As of June 13, the ISS is home to seven crew members: Commander Takuya Onishi, Anne McClain, Nichole Ayers, Jonny Kim from NASA, and Russian flight engineers Kirill Peskov, Sergey Ryzhikov, and Alexey Zubritzky. The station is also equipped with two crewed spacecraft—SpaceX's Dragon 'Endurance' and Roscosmos' Soyuz MS-27—alongside two cargo ships to ensure ongoing support for research and life in space.