jsc2024e066553 (Oct. 8, 2024) --- NASA astronaut Jonny Kim and Soyuz MS-27 crew member Jonny Kim undergoes International Space Station Extravehicular Activity (EVA) maintenance training, or spacewalk training, at Jonson’s Neutral Buoyancy Laboratory.

jsc2024e066561 (Oct. 8, 2024) --- NASA astronaut Jonny Kim and Soyuz MS-27 crew member Jonny Kim undergoes International Space Station Extravehicular Activity (EVA) maintenance training, or spacewalk training, at Jonson’s Neutral Buoyancy Laboratory.

jsc2024e067210_alt (July 17, 2024) --- NASA astronaut Jonny Kim poses for a portrait at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e067200_alt (July 17, 2024) --- NASA astronaut Jonny Kim poses for a portrait at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052668_alt (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052669_alt (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052672_alt2 (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052673_alt (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052672_alt (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e052674_alt (July 17, 2024) --- Portrait of NASA Astronaut Jonny Kim in an Extravehicular Mobility Unit (EMU) spacesuit taken at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel

jsc2024e067936 (Oct. 9, 2024) --- NASA astronaut Jonny Kim completing Emergency Scene Joint Crew 2 Training at the Space Vehicle Mockup Facility in Houston, Texas.

jsc2024e066574 (Oct. 28, 2024) --- NASA astronaut and Soyuz MS-27 crew member Jonny Kim undergoes International Space Station Extravehicular Activity (EVA) maintenance training, or spacewalk training, at Jonson’s Neutral Buoyancy Laboratory.

jsc2024e066564 (Oct. 8, 2024) --- NASA astronaut and Soyuz MS-27 crew member Jonny Kim undergoes International Space Station Extravehicular Activity (EVA) maintenance training, or spacewalk training, at Jonson’s Neutral Buoyancy Laboratory.

jsc2024e035666 (May 17, 2024) --- NASA astronaut and Soyuz MS-27 crew member Jonny Kim completes spacewalk preparation training inside the International Space Station mockup at Johnson Space Center.

jsc2024e035671 (May 17, 2024) --- NASA astronaut and Soyuz MS-27 crew member Jonny Kim completes spacewalk preparation training inside the International Space Station mockup at Johnson Space Center with astronauts Zena Cardman, Stephanie Wilson, and Nick Hague and cosmonaut Aleksandr Gorbunov.

jsc2025e033525 (Feb. 3, 2025) --- NASA astronaut and Soyuz MS-27 Flight Engineer Jonny Kim poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia.

jsc2025e033524 (April 23, 2025) --- NASA astronaut and Soyuz MS-27 Flight Engineer Jonny Kim poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia.

iss073e0000422 (April 21, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works on orbital plumbing duties aboard the International Space Station's Tranquility module.

iss073e0118760 (May 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works on spacesuit maintenance operations inside the International Space Station's Quest airlock.

iss073e0001873 (April 22, 2025) --- (From left) Astronauts Jonny Kim of NASA and Takuya Onishi of JAXA (Japan Aerospace Exploration Agency), Expedition 73 Flight Engineer and Commander respectively, work inside the International Space Station's Destiny laboratory module stowing cargo recently delivered aboard the SpaceX Dragon cargo craft.

iss072e941773 (April 9, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Jonny Kim installs experimental hydrogen sensors to test the advanced life support gear for longer calibration life and improved reliability aboard the International Space Station's Destiny laboratory module.

iss072e941778 (April 9, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Jonny Kim installs experimental hydrogen sensors to test the advanced life support gear for longer calibration life and improved reliability aboard the International Space Station's Destiny laboratory module.

NASA astronaut Jonny Kim is seen during the State Commission meeting to approve the Soyuz launch of Expedition 73 to the International Space Station, Monday, April 7, 2025, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonaut Sergey Ryzhikov are seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

iss073e0118752 (May 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works on spacesuit maintenance operations inside the International Space Station's Quest airlock.

iss073e0033632 (May 16, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works on computer networking maintenance inside the International Space Station's Columbus laboratory module.

iss073e0254613 (June 20, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim shows off a barbeque brisket taco during dinner time at the galley inside the International Space Station's Unity module.

iss073e0252501 (June 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim conducts a ham radio session and takes notes inside the International Space Station's Columbus laboratory module.

iss073e1044139 (Oct. 8, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim performs laptop computer maintenance inside the International Space Station's Destiny laboratory module.

iss073e0658307 (Sept. 10, 2025) --- Expedition 73 Flight Engineers Zena Cardman and Jonny Kim, both NASA astronauts, smile for a portrait during a break in thier research duties duties aboard the International Space Station.

iss073e0979461 (Oct. 27, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim smiles for a portrait whle organizing cargo inside the International Space Station's Harmony module.

iss072e940004 (April 8, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Jonny Kim enters the International Space Station shortly after docking to the Prichal module aboard the Soyuz MS-27 spacecraft. Kim is greeted by station Commander Alexey Ovchinin of Roscosmos (at left) and flight engineer Don Pettit of NASA (at right).

iss073e0422025 (July 27, 2025) --- NASA astronauts Nichole Ayers and Jonny Kim, both Expedition 73 Flight Engineers, are pictured inside the International Space Station's Harmony module. Ayers trims Kim's hair as a suction hose collects loose hairs to protect the station's atmosphere.

iss073e0136234 (June 9, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim replaces orbital plumbing components inside the International Space Station's restroom, also called the waste and hygiene compartment, located in the Tranquility module.

iss073e0071396 (May 15, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works inside the SpaceX Dragon cargo spacecraft readying the vehicle to be packed with completed science experiments, time-critical research samples, and International Space Station hardware before its departure.

iss073e0257680 (July 8, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works on orbital plumbing tasks inside the International Space Station's Tranquility module where the orbital outpost's restroom, or Waste and Hygiene Compartment, is located.

iss073e0379799 (July 21, 2025) --- Expedition 73 Flight Engineers Nichole Ayers and Jonny Kim, both NASA astronauts, work together inside the International Space Station's Tranquility module replacing electrical hardware that controls the distribution of power throughout the orbital outpost.

iss073e0416805 (July 25, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim performs maintenance on the Destiny laboratory module's fluid servicer system used to maintain and repair rack water lines and systems throughout the International Space Station.

iss073e0548824 (Aug. 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim services a sample processor, also known as the Advanced Space Experiment Processor-4 (ADSEP-4), for an investigation that explores advanced pharmaceutical manufacturing techniques for both Earth and space industries.

iss073e0981611 (Sept. 11, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim practices Canadarm2 robotic maneuvers at the robotics workstation inside the International Space Station's cupola. Kim was preparing for the robotic capture of the Northrop Grumman Cygnus XL cargo spacecraft that launched on Sept. 14, 2025, and arrived on Sept. 18 delivering about 11,000 pounds of science, supplies, and hardware to the Expedition 73 crew.

iss073e0505687 (Aug. 4, 2025) --- NASA astronauts Jonny Kim and Zena Cardman, both Expedition 73 Flight Engineers, pose for a portrait inside the International Space Station's Unity module during a break in weekend housecleaning and maintenance activities. Kim and Cardman are both part of NASA Astronaut Group 22 selected in June 2017 with 12 other astronauts, including two Canadian Space Agency astronauts, and affectionately nicknamed "The Turtles."

iss073e0505793 (Aug. 9, 2025) --- NASA astronauts Zena Cardman and Jonny Kim, both Expedition 73 Flight Engineers, are pictured inside the International Space Station's Unity module during weekend housecleaning and maintenance activities. Kim and Cardman are both part of NASA Astronaut Group 22 selected in June 2017 with 12 other astronauts, including two Canadian Space Agency astronauts, and affectionately nicknamed "The Turtles."

iss073e0814521 (Sept. 18, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim is pictured inside the vestibule between the International Space Station's Unity module and the Cygnus XL cargo spacecraft from Northrop Grumman. Kim was preparing to open Cygnus' hatch to begin unloading about 11,000 pounds of new science and supplies for the Expedition 73 crew.

NASA astronaut Jonny Kim is seen as President Yoon Suk Yeol of the Republic of Korea meets with Korean-American employees during a tour of NASA’s Goddard Space Flight Center, Tuesday, April 25, 2023, in Greenbelt, Md. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen in the audience as MSIT Minister Jong-Ho Lee delivers remarks prior to the singing of a joint statement between NASA and the Ministry of Science and ICT of the Republic of Korea, Tuesday, April 25, 2023, at NASA’s Goddard Space Flight Center in Greenbelt, Md. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonaut Alexey Zubritskiy interact with family and friends as they prepare depart the Cosmonaut Hotel along with Roscosmos cosmonaut Sergey Ryzhikov to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen inside the bus as he and fellow Expedition73 crewmates Russian cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare to depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Jonny Kim waves as he prepares to depart the Cosmonaut Hotel with fellow crewmates Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

iss073e0077576 (May 20, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim repairs ethernet cables aboard the International Space Station's Harmony module.

iss073e0072896 (May 20, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim wears goggles while working on computer network maintenance aboard the International Space Station's Harmony module.

iss073e0886402 (Oct. 17) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works inside the Microgravity Science Glovebox (MSG) aboard the International Space Station’s Destiny laboratory module. Kim is seen stowing research hardware used in the Colloidal Solids physics experiment, which investigates how tiny particles—colloids—and proteins suspended in water behave in microgravity. The results may inform plant growth techniques, 3D printing technologies, and pharmaceutical manufacturing in space. On Earth, the findings could benefit the food, personal care, and healthcare industries.

iss073e0118580 (May 27, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim services an experimental carbon dioxide removal device aboard the International Space Station. Also called the Thermal Amine Scrubber, the advanced life support mechanism is testing a new method that removes carbon dioxide from the station’s atmosphere and recovers water for oxygen generation.

iss072e940001 (April 8, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Jonny Kim is pictured before entering the International Space Station shortly after docking to the Prichal module aboard the Soyuz MS-27 spacecraft. Waiting to greet Zubritsky is Flight Engineer Takuya Onishi of JAXA (Japan Aerospace Exploration Agency), at right.

iss073e0814523 (Sept. 18, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim reviews procedures on a computer tablet before opening the hatch to the Cygnus XL cargo spacecraft from Northrop Grumman. He was preparing to open Cygnus' hatch to begin unloading about 11,000 pounds of new science and supplies for the Expedition 73 crew.

iss073e0032794 (May 16, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim swaps hardware that promotes physical science and crystalization research inside the Advanced Space Experiment Processor-4 (ADSEP-4) aboard the International Space Station. The ADSEP-4 is supporting a technology demonstration potentially enabling the synthesis of medications during deep space missions and improving the pharmaceutical industry on Earth.

iss073e0003041 (May 10, 2025) --- (From left) Astronauts Jonny Kim of NASA and Takuya Onishi of JAXA (Japan Aerospace Exploration Agency), Expedition 73 flight engineer and commander respectively, work inside the International Space Station's Quest airlock setting up a pair of spacesuits. Expedition 73 Flight Engineers Anne McClain and Nichole Ayers (both out of frame), both from NASA, would wear the suits the following day during a spacewalk to upgrade the orbital outpost's power generation system and relocate a communications antenna.

iss073e0222463 (June 16, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim waves for a portrait while removing research hardware from inside the Materials Science Laboratory (MSL) located inside the International Space Station's Destiny laboratory module. The MSL uses two different furnaces that operate one at a time to discover new applications for existing materials, such as metals, alloys, polymers, and new or improved materials.

iss073e0384171 (July 1, 2025) --- Expedition 73 Flight Engineer Jonny Kim (right) of NASA draws a blood sample from station Commander Takuya Onishi of JAXA (Japan Aerospace Exploration Agency) for processing in a centrifuge and preservation in a science freezer. The samples will be returned to Earth where scientists will analyze the specimens to learn how living and working in microgravity affects the human body and provide countermeasures to potential space-caused symptoms.

iss073e0416906 (July 21, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim tests space-to-ground robotic controlling methods on a laptop computer inside the International Space Station's Columbus laboratory module. The Surface Avatar experiment explores ways to control robotic vehicles on a planetary surface from an orbiting spacecraft using a variety of technologies including consoles, touchscreens, haptics, and virtual reality goggles that may benefit future space exploration.

iss073e0817658 (Oct. 1, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works at the maintenance work area inside the International Space Station's Harmony module hydrating, agitating, and preparing production bags containing bioengineered yeasts and probiotic cultures for incubation. These activities are designed to demonstrate how astronauts could grow and safely consume fresh vitamins and nutrients on demand helping researchers plan future missions farther from Earth.

iss073e1049692 (Nov. 6, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim poses for a portrait while servicing the KERMIT (Keyence Research Microscope Testbed) fluorescence microscope inside the Materials Science Research Rack aboard the International Space Station’s Destiny laboratory module. KERMIT is a commercial off-the-shelf microscope that provides researchers with essential imaging capabilities for biological, physical, and materials science research in microgravity.

iss073e0702488 (Sept. 17, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim treats bioprinted liver tissues in a portable glovebag inside the International Space Station's Harmony module. The samples were later placed inside an artificial gravity-generating research device to help researchers understand how microgravity affects the formation of blood vessels in engineered tissues. Result may lead to advanced treatments protecting astronauts on long-duration spaceflights and improve bioprinting techniques for patient therapies on Earth.

iss073e0702493 (Sept. 17, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim treats bioprinted liver tissues in a portable glovebag inside the International Space Station's Harmony module. The samples were later placed inside an artificial gravity-generating research device to help researchers understand how microgravity affects the formation of blood vessels in engineered tissues. Result may lead to advanced treatments protecting astronauts on long-duration spaceflights and improve bioprinting techniques for patient therapies on Earth.

iss073e1199016 (Nov. 20, 2025) --- Expedition 73 Flight Engineers (from left) Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) and Jonny Kim of NASA work together swapping thermal control system hoses on the COLBERT treadmill located inside the Tranquility module. The pair temporarily uninstalled the station’s bathroom, or waste and hygiene compartment, to access the life support hoses.

iss073e1228220 (Dec. 2, 2025) --- Expedition 73 Flight Engineers (from left) Chris Williams and Jonny Kim, both NASA astronauts, work together inspecting and cleaning the Enhanced European Exploration Exercise Device (E4D) inside the International Space Station's Columbus laboratory. The E4D is being tested on the orbital outpost for its ability to provide bicycling, rowing, and resistance exercises to protect a crew member’s muscles, bones, and heart health in microgravity.

NASA astronaut Jonny Kim shakes hands with President Yoon Suk Yeol of the Republic of Korea as he and Vice President Kamala Harris meet with Korean-American scientists during a tour of NASA’s Goddard Space Flight Center, Tuesday, April 25, 2023, in Greenbelt, Md. Photo Credit: (NASA/Joel Kowsky)

Expedition 72 backup crew member Jonny Kim of NASA is seen in quarantine, behind glass, during a press conference, Tuesday, Sept. 10, 2024 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 72 crew members: NASA astronaut Don Pettit, Roscosmos cosmonauts Alexey Ovchinin, and Ivan Vagner, are scheduled to launch aboard their Soyuz MS-26 spacecraft on September 11. Photo Credit: (NASA/Bill Ingalls)

Expedition 72 backup crew members: Sergey Ryzhikov of Roscosmos, left, Jonny Kim of NASA, center, and Alexey Zubritskiy of Roscosmos, watch form the bus as Expedition 72 crew members: Don Pettit, Alexey Ovchinin, and Ivan Vagner, leave to board the Soyuz MS-26 spacecraft for launch, Wednesday, Sept. 11, 2024 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

iss073e0078643 (May 23, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim works inside the SpaceX Dragon cargo spacecraft completing cargo operations before it undocked from the International Space Station's Harmony module several hours later.

iss073e0071328 (May 14, 2025) --- Astronauts Jonny Kim of NASA and Takuya Onishi of JAXA (Japan Aerospace Exploration Agency), Expedition 73 flight engineer and commander respectively, work inside the International Space Station's Harmony module gathering and organizing cargo to be packed inside the SpaceX Dragon cargo spacecraft before its departure.

iss073e0027778 (May 11, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim poses for a portrait inside the cupola, the International Space Station's "window to the world." The orbital outpost was soaring 265 miles above the Indian Ocean off the coast of Madagascar at the time of this photograph.

iss073e0508025 (Aug. 2, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim points his camera out a window on the International Space Station's cupola and photographs Earth landmarks below as the orbital outpost soared 261 miles above central Mongolia.

iss073e1068412 (Nov. 4, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim shows off a variety of food items from South Korea and the U.S. during lunchtime aboard the International Space Station's Unity module.

iss073e0917782 (Oct. 23, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim conducts research operations for the Fluid Particles investigation inside the Microgravity Science Glovebox aboard the International Space Station's Destiny laboratory module. The fluid physics experiment may help researchers understand how particles in a liquid interface come together to form larger structures or clusters in microgravity advancing fire suppression, lunar dust control, and plant growth in space. Earth benefits may include insights into pollen behavior, algae blooms, plastic pollution, and sea salt transfer during storms.

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, right, wave as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 73 crewmembers NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy seen during the State Commission meeting to approve the Soyuz launch of Expedition 73 to the International Space Station, Monday, April 7, 2025, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Alexey Zubritskiy and Sergey Ryzhikov, right, are seen as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim waves as he and fellow Expedition 73 crewmates Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy depart building 254 for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

NASA astronaut Jonny Kim prepares to have his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is seen as he prepares to have his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Roscosmos cosmonaut Sergey Ryzhikov signs a mural at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket with fellow crewmates NASA astronaut Jonny Kim and Roscosmos cosmonaut Alexey Zubritskiy, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy, on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim signs a mural at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket with fellow crewmates Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy, on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim prepares to have his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, right, are seen as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonaut \Alexey Zubritskiy, center, place an Expedition 73 sticker on the wall of the bus taking them to suit-up for their Soyuz launch to the International Space Station along with Roscosmos cosmonaut Sergey Ryzhikov, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Jonny Kim prepares to have his Russian Sokol Suit pressure checked as he and fellow cremates Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim has his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim prepares to have his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, front row left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy receive the traditional blessing at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Roscosmos cosmonauts Sergey Ryzhikov, left, Alexey Zubritskiy, and NASA astronaut Jonny Kim are seen in quarantine, behind glass, before the start of a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Alexey Zubritskiy and Sergey Ryzhikov, right, are seen as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station, Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy seen in quarantine, behind glass, as they pose for a picture following a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim plays rock, paper, scissors with his children as he waits to have his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time) in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jonny Kim is helped into his Russian Sokol suit as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Jonny Kim is seen after putting on his Russian Sokol suit as he and fellow crewmates, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy prepare for their Soyuz launch to the International Space Station Tuesday, April 8, 2025 (April 7 Eastern Time), in Baikonur, Kazakhstan. The launch will send Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)