jsc2024e028394 (April 25, 2024) --- JAXA astronaut Kimiya Yui conducts training for a spacewalk at the Neutral Buoyancy Laboratory at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair
JAXA astronaut Kimiya Yui conducts training for a spacewalk
jsc2024e074737 (Nov. 13, 2024) --- JAXA astronaut Kimiya Yui conducts training for the unlikely event of an emergency at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel
JAXA astronaut Kimiya Yui conducts emergency training
ASTRONAUT KIMIYA YUI SHAKES HANDS WITH PAYLOAD RACK OFFICER ROBERT TRIMBLE
INCREMENT 44 PLAQUE HANGING
jsc2024e076519 (Nov. 19, 2024) --- JAXA astronaut Kimiya Yui poses for a photo in his spacesuit during space station airlock testing at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/James Blair
JAXA astronaut Kimiya Yui poses for a photo in his spacesuit
jsc2025e032710 (March 20, 2025) --- JAXA astronaut Kimiya Yui is photographed during an interview in a studio at NASA’s Johnson Space Center in Houston, Texas, before his upcoming mission to the International Space Station. Credit: NASA/Josh Valcarcel
JAXA astronaut Kimiya Yui is photographed during an interview
jsc2025e032707 (March 20, 2025) --- JAXA astronaut Kimiya Yui is photographed during an interview in a studio at NASA’s Johnson Space Center in Houston, Texas, before his upcoming mission to the International Space Station. Credit: NASA/Josh Valcarcel
JAXA astronaut Kimiya Yui is photographed during an interview
jsc2025e041090 (April 9, 2025) --- JAXA astronaut Kimiya Yui, mission specialist of NASA's SpaceX Crew-11 mission to the International Space Station trains inside a Dragon training crew spacecraft at SpaceX in Hawthorne, California.
Astronaut Kimiya Yui trains inside a Dragon training crew spacecraft
jsc2025e041088 (April 9, 2025) --- JAXA astronaut Kimiya Yui, mission specialist of NASA's SpaceX Crew-11 mission to the International Space Station trains inside a Dragon training crew spacecraft at SpaceX in Hawthorne, California.
Astronaut Kimiya Yui trains inside a Dragon training crew spacecraft
jsc2025e064530 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui participates in a training session at SpaceX facilities in Hawthorne, California. Credit: SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
jsc2025e064529 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui participates in a training session at SpaceX facilities in Hawthorne, California. Credit: SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
LISA PRENDERGAST HANGS INCREMENT 44 PLAQUE, BECKY GRIMALDI, ASTRONAUTS KIMIYA YUI, AND KJELL LINDGREN ALSO PICTURED
INCREMENT 44 PLAQUE HANGING
LISA PRENDERGAST HANGS INCREMENT 44 PLAQUE, BECKY GRIMALDI, ASTRONAUTS KIMIYA YUI, AND KJELL LINDGREN ALSO PICTURED
INCREMENT 44 PLAQUE HANGING
jsc2025e011983_alt (Feb. 24, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and mission specialist for NASA’s SpaceX Crew-11 mission Kimiya Yui poses for a portrait at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Robert Markowitz
JAXA astronaut and SpaceX Crew-11 Mission Specialist Kimiya Yui
jsc2025e011976_alt (Feb. 26, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and mission specialist for NASA’s SpaceX Crew-11 mission Kimiya Yui poses for a portrait at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/Robert Markowitz
JAXA astronaut and SpaceX Crew-11 Mission Specialist Kimiya Yui
jsc2025e032524 (March 18, 2025) --- Roscosmos cosmonaut Oleg Platonov (left) and JAXA astronaut Kimiya Yui (right) conduct training for the unlikely event of an emergency at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/David DeHoyos
SpaceX Crew-11 members Oleg Platonov and Kimiya Yui
jsc2025e006003 (Feb. 3, 2025) --- NASA astronaut Zena Cardman (left), and JAXA astronaut Kimiya Yui (right) conduct training scenarios with their instructors at NASA’s Johnson Space Center in Houston, Texas for their upcoming mission to the International Space Station. Credit: NASA/Helen Arase Vargas
Astronauts Zena Cardman and Kimiya Yui conduct training scenarios with their instructors
jsc2025e064531 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui poses for a photo during a training session at SpaceX facilities in Hawthorne, California. Credit SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
jsc2025e064532 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui poses for a photo during a training session at SpaceX facilities in Hawthorne, California. Credit SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
jsc2025e064534 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui poses for a photo during a training session at SpaceX facilities in Hawthorne, California. Credit SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
jsc2025e064533 (May 19, 2025) --- NASA’s SpaceX Crew-11 mission specialist and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui poses for a photo during a training session at SpaceX facilities in Hawthorne, California. Credit SpaceX
NASA’s SpaceX Crew-11 mission specialist and JAXA astronaut Kimiya Yui
JSC2015E053681 (04/30/2015) --- Expedition 44 Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui.
Expedition 44 Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui.
iss073e1043652 (Oct. 29, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui inspects and cleans hardware inside the Life Support Module aboard the International Space Station's Columbus laboratory module.
JAXA astronaut Kimiya Yui inspects and cleans hardware
iss073e0767245 (Sept. 22, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui works on computer networking hardware inside the International Space Station's Harmony module. Yui was conducting ethernet hub upgrades to transmit data quicker and more efficiently throughout the orbital outpost.
JAXA astronaut Kimiya Yui works on computer networking hardware
iss073e0603004 (Aug. 30, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui smiles for a portrait after trimming NASA astronaut Mike Fincke's hair aboard the International Space Station.
Astronauts Kimiya Yui and Mike Fincke smile for a portrait during a haircut
iss045e084268 (10/30/2015) --- Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui works to attach a Plant Experiment Unit to the Cell Biology Experiment Facility (CBEF) prior to Run 1 of the Plant Gravity Sensing 2 experiment.
Plant Gravity Sensing 2 Experiment OPS
iss045e084264(10/30/2015) --- Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui works to attach a Plant Experiment Unit to the Cell Biology Experiment Facility (CBEF) prior to Run 1 of the Plant Gravity Sensing 2 experiment.
Plant Gravity Sensing 2 Experiment OPS
iss045e084267 (10/30/2015) --- Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui works to attach a Plant Experiment Unit to the Cell Biology Experiment Facility (CBEF) prior to Run 1 of the Plant Gravity Sensing 2 experiment.
Plant Gravity Sensing 2 Experiment OPS
jsc2025e034085 (Dec. 4, 2024) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, a mission specialist for NASA’s SpaceX Crew-11 mission to the International Space Station, trains for his mission in a SpaceX Dragon mockup at a SpaceX facility in Hawthorne, California.
JAXA astronaut Kimiya Yui, mission specialist for NASA’s SpaceX Crew-11 mission
jsc2025e034091 (Dec. 5, 2024) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, a mission specialist for NASA’s SpaceX Crew-11 mission to the International Space Station, trains for his mission at a SpaceX facility in Hawthorne, California.
JAXA astronaut Kimiya Yui, mission specialist for NASA’s SpaceX Crew-11 mission
jsc2025e034092 (Dec. 5, 2024) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, a mission specialist for NASA’s SpaceX Crew-11 mission to the International Space Station, trains for his mission at a SpaceX facility in Hawthorne, California.
JAXA astronaut Kimiya Yui, mission specialist for NASA’s SpaceX Crew-11 mission
jsc2025e060300 (May 19, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, mission specialist of NASA’s SpaceX Crew-11 mission to the International Space Station, poses for a portrait in his pressure suit at SpaceX headquarters in Hawthorne, California. Credit: SpaceX
JAXA astronaut Kimiya Yui, mission specialist of NASA’s SpaceX Crew-11 mission
iss073e1049696 (Nov. 6, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui assembles and installs carbon dioxide removal gear inside the International Space Station's Kibo laboratory module.
JAXA astronaut Kimiya Yui assembles and installs carbon dioxide removal gear
iss073e0420867 (Aug. 2, 2025) --- From left, JAXA (Japan Aerospace Exploration Agency) astronauts Takuya Onishi and Kimiya Yui, Expedition 73 Commander and Flight Engineer respectively, are pictured during crew familiarization activities inside the International Space Station's Kibo laboratory module.
JAXA astronauts Takuya Onishi and Kimiya Yui inside the Kibo laboratory module
iss073e0424048 (Aug. 7, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui is pictured inside the vestibule inspecting hardware between Kibo laboratory module and the Harmony module aboard the International Space Station.
JAXA astronaut Kimiya Yui inspects hardware inside the Kibo laboratory module
iss073e0511308 (Aug. 19, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui checks out a Global Positioning Satellite receiver during maintenance aboard the International Space Station's Destiny laboratory module.
JAXA astronaut Kimiya Yui checks out a Global Positioning Satellite receiver
iss073e0545038 (Aug. 25, 2025) --- Expedition 73 Flight Engineer Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) unpacks some of the science, supplies, and hardware delivered aboard the SpaceX Dragon cargo spacecraft and begins installing the new gear inside the International Space Station.
JAXA Astronaut Kimiya Yui unpacks science, supplies, and hardware
iss073e0545167 (Aug. 25, 2025) --- Expedition 73 Flight Engineers Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) and Zena Cardman of NASA unpack some of the science, supplies, and hardware delivered aboard the SpaceX Dragon cargo spacecraft and begin installing the new gear inside the International Space Station.
Astronauts Kimiya Yui and Zena Cardman unpack science, supplies, and hardware
iss073e0545175 (Aug. 25, 2025) --- Expedition 73 Flight Engineers Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) and Zena Cardman of NASA unpack some of the science, supplies, and hardware delivered aboard the SpaceX Dragon cargo spacecraft and begin installing the new gear inside the International Space Station.
Astronauts Kimiya Yui and Zena Cardman unpack science, supplies, and hardware
iss073e0602989 (Aug. 30, 2025) --- Astronaut Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) smiles for a portrait after trimming his own hair aboard the International Space Station. Attached to the electric razor is a vacuum that collects the loose hair safeguarding the station's atmosphere in the microgravity environment.
Astronaut Kimiya Yui smiles for a portrait after trimming his own hair
iss073e0764319 (Sept. 22, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui prepares new computer networking gear for installation inside the International Space Station's Kibo laboratory module. The ethernet hub upgrades will transmit data quicker and more efficiently throughout the orbital outpost.
JAXA astronaut Kimiya Yui prepares new computer networking gear for installation
iss073e0768346 (Sept. 25, 2025) --- Expedition 73 Flight Engineers Zena Cardman of NASA and Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) partner together inside the International Space Station's Kibo laboratory module removing a small satellite orbital deployer from inside Kibo's airlock
Astronauts Zena Cardman and Kimiya Yui remove a small satellite orbital deployer
iss073e0982900 (Oct. 28, 2025) --- Expedition 73 Flight Engineers Mike Fincke of NASA and Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) work together to configure research hardware for the Zero Boil-Off Tank physics investigation inside the Microgravity Science Glovebox aboard the International Space Station. The experiment explores methods for storing cryogenic fluids and supports advancements in spacecraft propulsion and life support systems, as well as biotechnological, medical, and industrial applications on Earth.
Astronauts Mike Fincke and Kimiya Yui work together to configure research hardware
iss073e0431947 (Aug. 12, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui works on the Cold Atom Lab inside the International Space Station’s Destiny laboratory module. He replaced computer components in the physics research device, which chills atoms to temperatures below the average temperature of the universe enabling scientists to observe atomic wave functions and quantum behaviors not possible on Earth.
JAXA astronaut Kimiya Yui works on the Cold Atom Lab
iss073e0431957 (Aug. 12, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui works on the Cold Atom Lab inside the International Space Station’s Destiny laboratory module. He replaced computer components in the physics research device, which chills atoms to temperatures below the average temperature of the universe enabling scientists to observe atomic wave functions and quantum behaviors not possible on Earth.
JAXA astronaut Kimiya Yui works on the Cold Atom Lab
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.
Expedition 73 Flight Engineers Kimiya Yui and Jonny Kim
iss073e0818445 (Oct. 2, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui shows off production bags containing bioengineered yeasts and probiotic cultures for the BioNutrients-3 investigation. Yui conducted passaging and straw tests to demonstrate how astronauts could grow and safely consume fresh vitamins and nutrients on demand helping researchers plan future missions farther from Earth.
JAXA astronaut Kimiya Yui shows off production bags containing bioengineered yeasts
iss073e0505488 (Aug. 2, 2025) --- NASA's SpaceX Crew-11 Mission Specialist Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) is welcomed aboard the International Space Station by Expedition 73 Flight Engineer Nichole Ayers of NASA after the Dragon crew spaceraft docked to the Harmony module's space-facing port.
NASA's SpaceX Crew-11 Mission Specialist Kimiya Yui is welcomed aboard the station
iss073e0602995 (Aug. 30, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui trims NASA astronaut Mike Fincke's hair aboard the International Space Station. Attached to the electric razor is a vacuum that collects the loose hair safeguarding the station's atmosphere in the microgravity environment.
JAXA astronaut Kimiya Yui trims NASA astronaut Mike Fincke's hair aboard the International Space Station
iss073e0602985 (Aug. 30, 2025) --- Astronaut Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) trims his own hair aboard the International Space Station as NASA astronaut Jonny Kim films the crew activities. Attached to the electric razor is a vacuum that collects the loose hair safeguarding the station's atmosphere in the microgravity environment.
Astronaut Kimiya Yui trims his own hair aboard the International Space Station
iss073e0764364 (Sept. 22, 2025) --- Expedition 73 Flight Engineers (from left) Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) and Mike Finke of NASA are pictured inside Northrop Grumman's Cygnus XL cargo craft unpacking some of its 11,000 pounds of new science and supplies delivered on Sept. 18, 2025.
Astronauts Kimiya Yui and Mike Fincke pictured inside the Cygnus XL cargo craft
iss073e0764322 (Sept. 22, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui takes notes while installing new computer networking gear inside the Kibo laboratory module. The ethernet hub upgrades will transmit data quicker and more efficiently throughout the International Space Station.
JAXA astronaut Kimiya Yui takes notes while installing new computer networking gear
JSC2015E053687 (04/30/2015) --- Expedition 44 crew members NASA astronaut Kjell Lindgren (left), Russian cosmonaut Oleg Kononenko (center) and Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui.
Expedition 44 crew members NASA astronaut Kjell Lindgren (left), Russian cosmonaut Oleg Kononenko (center) and Japan Aerospace Exploration Agency (JAXA) astronaut Kimiya Yui.
iss073e0606883 (Sept. 5, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui treats bioprinted liver tissues in a portable glovebag inside the International Space Station's Harmony module. The samples will be 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.
JAXA astronaut Kimiya Yui treats bioprinted liver tissues inside a portable glovebag
iss073e0606897 (Sept. 5, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui treats bioprinted liver tissues in a portable glovebag inside the International Space Station's Harmony module. The samples will be 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.
JAXA astronaut Kimiya Yui treats bioprinted liver tissues inside a portable glovebag
iss073e0704127 (Sept. 19, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui shows off a research hard drive for an investigation exploring how to manufacture advanced pharmaceuticals off the Earth. The hard drive is part of the International Space Station's Advanced Space Experiment Processor-4 (ADSEP-4) that process samples for a variety of biology and physics experiments in microgravity.
JAXA astronaut Kimiya Yui shows off a research hard drive for an pharmaceutical investigation
iss073e0917008 (Oct. 21, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Flight Engineer Kimiya Yui removes a small satellite orbital deployer from the airlock of the Kibo laboratory module. The deployer houses CubeSats, which are released into Earth orbit after the mechanism is transferred to the external microgravity environment outside the International Space Station.
JAXA astronaut Kimiya Yui removes a small satellite orbital deployer from the Kibo airlock
ASTRONAUT KIMIYA YUI SHAKES HANDS WITH BRETT BOULDIN
INCREMENT 44 PLAQUE HANGING
NASA Expedition 42 backup crew member, Flight Engineer Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA),  answers a question during a press conference Saturday, Nov. 22, 2014 at the Cosmonaut Hotel in Baikonur, Kazakhstan.  The Expedition 42 prime crew is set to launch Nov. 24 from the Baikonur Cosmodrome.  Photo Credit: (NASA/Aubrey Gemignani)
Expedition 42 Press Conference
Expedition 42 backup crew members, Flight Engineer Kjell Lindgren of NASA (left), Soyuz Commander Oleg Kononenko of the Russian Federal Space Agency (Roscosmos) (center), and Flight Engineeer Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) (right) are seen at the State Commission meeting to approve the Soyuz launch of Expedition 42 to the International Space Station in Baikonur, Kazakhstan on Saturday, Nov. 22, 2014. The mission is set to launch Nov. 24 from the Baikonur Cosmodrome. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 42 State Commission
From front left NASA astronauts Mike Fincke and Zena Cardman, along with Roscosmos cosmonaut Oleg Platonov and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, walk out of the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Thursday, July 31, 2025, during the first attempt of NASA’s SpaceX Crew-11 mission to the International Space Station. From top left, NASA astronauts Mike Fincke and Zena Cardman, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, are scheduled to lift off aboard SpaceX’s Dragon spacecraft and Falcon 9 rocket for its second attempt at 11:43 a.m. EDT Friday, Aug. 1, 2025, from Launch Complex 39A at NASA Kennedy.
NASA's SpaceX Crew-11 Suit-Up and Walkout (SCRUB)
3918:  At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 crewmembers Kjell Lindgren of NASA (left), Oleg Kononenko of the Russian Federal Space Agency (center) and Kimiya Yui of the Japan Aerospace Exploration Agency (right) rehearse rendezvous and docking techniques on a laptop computer as their trainers look on July 15. Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station.
3918:..At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 crewmembers Kjell Lindgren of NASA (left), Oleg Kononenko of the Russian Federal Space Agency (center) and Kimiya Yui of the Japan Aerospace Exploration Agency (right) rehearse rendezvous and docking techniques on a laptop computer as their trainers look on July 15. Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station..
Expedition 44/45 crew members Oleg Kononenko, Kimiya Yui and Kjell Lindgren during emergency scenarios training in the ISS mockups.  Photo Date: March 11, 2015.  Location: Building 9NW - ISS Mockups.  Photographer: Robert Markowitz
Expedition 44/45 crew members Oleg Kononenko, Kimiya Yui and Kjell Lindgren during emergency scenarios training in the ISS mockups. Photo Date: March 11, 2015. Location: Building 9NW - ISS Mockups. Photographer: Robert Markowitz
JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui conducts leak checks for his SpaceX spacesuit inside the crew suit-up room in the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Thursday, July 31, 2025, during the first attempt of NASA’s SpaceX Crew-11 mission to the International Space Station.  Yui, NASA astronauts Zena Cardman and Mike Fincke, along with Roscosmos cosmonaut Oleg Platonov, are scheduled to lift off aboard SpaceX’s Dragon spacecraft and Falcon 9 rocket for its second attempt at 11:43 a.m. EDT Friday, Aug. 1, 2025, from Launch Complex 39A at NASA Kennedy.
NASA's SpaceX Crew-11 Suit-Up and Walkout (SCRUB)
JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui conducts leak checks for his SpaceX spacesuit inside the crew suit-up room in the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Thursday, July 31, 2025, during the first attempt of NASA’s SpaceX Crew-11 mission to the International Space Station.  Yui, NASA astronauts Zena Cardman and Mike Fincke, along with Roscosmos cosmonaut Oleg Platonov, are scheduled to lift off aboard SpaceX’s Dragon spacecraft and Falcon 9 rocket for its second attempt at 11:43 a.m. EDT Friday, Aug. 1, 2025, from Launch Complex 39A at NASA Kennedy.
NASA's SpaceX Crew-11 Suit-Up and Walkout (SCRUB)
JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui conducts leak checks for his SpaceX spacesuit inside the crew suit-up room in the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida during the second launch attempt NASA’s SpaceX Crew-11 mission to the International Space Station on Friday, Aug. 1, 2025. Yui, NASA astronauts Zena Cardman and Mike Fincke, along with Roscosmos cosmonaut Oleg Platonov, are scheduled to lift off aboard SpaceX’s Dragon spacecraft and Falcon 9 rocket at 11:43 a.m. EDT, from Launch Complex 39A at NASA Kennedy.
NASA's SpaceX Crew-11 Suit-Up and Walkout
From left, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov conduct leak checks for their SpaceX spacesuits inside the crew suit-up room in the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida during the second launch attempt NASA’s SpaceX Crew-11 mission to the International Space Station on Friday, Aug. 1, 2025. Yui, NASA astronauts Zena Cardman and Mike Fincke, along with Roscosmos cosmonaut Oleg Platonov, are scheduled to lift off aboard SpaceX’s Dragon spacecraft and Falcon 9 rocket at 11:43 a.m. EDT, from Launch Complex 39A at NASA Kennedy.
NASA's SpaceX Crew-11 Suit-Up and Walkout
jsc2025e034094 (Sept. 25, 2024) --- From left to right, NASA astronauts Mike Fincke and Zena Cardman, Roscosmos cosmonaut Oleg Platonov, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui pose for a photo at a SpaceX facility in Hawthorne, California.
NASA's SpaceX Crew-11 members
jsc2025e064544 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip
jsc2025e064550 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip
jsc2025e064551 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip
A long exposure image captures the launch of NASA’s SpaceX Crew-11 mission SpaceX Falcon 9 rocket with a Dragon spacecraft at 11:43 a.m. EDT Friday, Aug. 1, 2025, from Launch Complex 39A at Kennedy Space Center in Florida. Crew-11, carrying NASA astronauts Zena Cardman and Mike Fincke, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, are on their way to the International Space Station for a long duration mission.
SpaceX Crew-11 Launch
A long exposure image captures the launch of NASA’s SpaceX Crew-11 mission SpaceX Falcon 9 rocket with a Dragon spacecraft at 11:43 a.m. EDT Friday, Aug. 1, 2025, from Launch Complex 39A at Kennedy Space Center in Florida. Crew-11, carrying NASA astronauts Zena Cardman and Mike Fincke, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, are on their way to the International Space Station for a long duration mission.
SpaceX Crew-11 Launch
jsc2025e041955 (Feb. 26, 2025) --- The official crew portrait of NASA's SpaceX Crew-11 members. Front row, from left, are Pilot Mike Fincke and Commander Zena Cardman, both NASA astronauts. In the back from left, are Mission Specialists Oleg Platonov of Roscosmos and Kimiya Yui of JAXA (Japan Aerospace Exporation Agency).
The official crew portrait of NASA's SpaceX Crew-11 members
jsc2025e041105 (April 11, 2025) --- NASA’s SpaceX Crew-11 crew poses for a group picture during a training session at Launch Complex 39A at NASA’s Kennedy Space Center in Florida. From left to right: Roscosmos cosmonaut Oleg Platonov, NASA astronauts Mike Fincke and Zena Cardman, and JAXA astronaut Kimiya Yui.
NASA’s SpaceX Crew-11 members for a portrait during a training session
jsc2025e005962 (Feb. 3, 2025) --- From left to right: NASA astronauts Jonny Kim, Mike Fincke, Zena Cardman, and JAXA astronaut Kimiya Yui train together as an Expedition 73 crew at NASA’s Johnson Space Center in Houston, Texas for their upcoming mission to the International Space Station. Credit: NASA/Helen Arase Vargas
SpaceX Crew-11 and Expedition 73 crew members train together
jsc2025e041106 (April 11, 2025) --- NASA’s SpaceX Crew-11 crew poses for a group picture during a training session at Launch Complex 39A at NASA’s Kennedy Space Center in Florida. From left to right: Roscosmos cosmonaut Oleg Platonov, NASA astronauts Mike Fincke and Zena Cardman, and JAXA astronaut Kimiya Yui.
NASA’s SpaceX Crew-11 members for a portrait during a training session
jsc2025e041101 (April 11, 2025) --- NASA’s SpaceX Crew-11 crew participates in a training session at Launch Complex 39A at NASA’s Kennedy Space Center in Florida. From left to right: JAXA astronaut Kimiya Yui, NASA astronauts Mike Fincke and Zena Cardman, and Roscosmos cosmonaut Oleg Platonov.
NASA's SpaceX Crew-11 members participate in a training session at Kennedy Space Center
jsc2025e006033 (Feb. 3, 2025) --- From left to right: JAXA astronaut Kimiya Yui, and NASA astronauts Jonny Kim (seated), Zena Cardman, and Mike Fincke conduct training scenarios with their instructors at NASA’s Johnson Space Center in Houston, Texas for their upcoming mission to the International Space Station. Credit: NASA/Helen Arase Vargas
SpaceX Crew-11 and Expedition 73 crew members train together
jsc2025e032867 (March 20, 2025) --- From left to right, NASA astronaut Mike Fincke, JAXA astronaut Kimiya Yui, and Roscosmos Cosmonaut Oleg Platonov conduct training scenarios with their instructor (far left) at NASA’s Johnson Space Center in Houston, Texas, for their upcoming mission to the International Space Station. Credit: NASA/David DeHoyos
NASA’s SpaceX Crew-11 members train for their International Space Station mission
jsc2024e074803 (Nov. 13, 2024) --- From left to right: JAXA astronaut Kimiya Yui, NASA astronaut Mike Fincke, and NASA astronaut Zena Cardman conduct training for the unlikely event of an emergency at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel
SpaceX Crew-11 members conduct emergency training
jsc2024e074736 (Nov. 13, 2024) --- From left to right: JAXA astronaut Kimiya Yui, NASA astronaut Mike Fincke, and NASA astronaut Zena Cardman conduct training for the unlikely event of an emergency at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. Credit: NASA/Josh Valcarcel
SpaceX Crew-11 members conduct emergency training
jsc2025e064546 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session
jsc2025e064548 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip to the International Space Station at SpaceX facilities in Florida. JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui (left) and Roscosmos cosmonaut Oleg Platonov are both mission specialists of the mission. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip
jsc2025e064547 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session
jsc2025e064549 (July 3, 2025) --- The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session for their upcoming trip to the International Space Station at SpaceX facilities in Florida. From left: Oleg Platonov, Mike Fincke, Zena Cardman, and Kimiya Yui. Credit: SpaceX
The crew of NASA’s SpaceX Crew-11 mission train for their upcoming trip
JSC2014E088150 (10/23/2014) --- Official Photograph of the Japan Aerospace Exploration Agency Astronaut Kimiya Yui, Flight Engineer on the International Space Station with Expedition 44.
jsc2014e088150
JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui signs his name next to NASA’s SpaceX Crew-11 mission logo inside the Astronaut Crew Quarters in the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Monday, July 28, 2025. A SpaceX Dragon spacecraft and Falcon 9 rocket will send NASA astronauts Zena Cardman and Mike Fincke, along with Yui and Roscosmos cosmonaut Oleg Platonov to the International Space Station no earlier than 12:09 p.m. EDT Thursday, July 31, 2025, from NASA Kennedy’s Launch Complex 39A.
Crew-11_Sign their mission patch on the wall
NASA astronaut Mike Fincke waves to agency leadership as he and fellow crewmates NASA astronaut Zena Cardman, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov, wearing SpaceX spacesuits, prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Friday, Aug. 1, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 11:43 a.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
NASA astronauts Zena Cardman, Mike Fincke, Roscosmos cosmonaut Oleg Platonov, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Friday, Aug. 1, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 11:43 a.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
NASA astronauts Zena Cardman, Mike Fincke, Roscosmos cosmonaut Oleg Platonov, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Friday, Aug. 1, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 11:43 a.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
NASA astronaut Mike Fincke waves as he and fellow crewmates NASA astronaut Zena Cardman, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov, wearing SpaceX spacesuits, prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Friday, Aug. 1, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 11:43 a.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, right, NASA astronauts Zena Cardman, Mike Fincke, and Roscosmos cosmonaut Oleg Platonov, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Friday, Aug. 1, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 11:43 a.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
NASA astronauts Mike Fincke, Zena Cardman, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov, wearing SpaceX spacesuits, talk to family and friends as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Thursday, July 31, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 12:09 p.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
NASA astronauts Zena Cardman, Mike Fincke, Roscosmos cosmonaut Oleg Platonov, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Thursday, July 31, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 12:09 p.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
Roscosmos cosmonaut Oleg Platonov, left, NASA astronauts Mike Fincke, Zena Cardman, and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, wearing SpaceX spacesuits, are seen as they prepare to depart the Neil  A. Armstrong Operations and Checkout Building for Launch Complex 39A on NASA's Kennedy Space Center to board the SpaceX Dragon spacecraft for the Crew-11 mission launch, Thursday, July 31, 2025, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-11 mission is the eleventh crew rotation mission of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. Cardman, Fincke, Yui, Platonov are scheduled to launch at 12:09 p.m. EDT, from Launch Complex 39A at the NASA's Kennedy Space Center.  Photo Credit: (NASA/Joel Kowsky)
NASA’s SpaceX Crew-11 Crew Walkout
3850:  At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 prime crewmember Kjell Lindgren of NASA (right) plants a tree in his name in a traditional pre-launch ceremony July 15. Assisting are crewmates Kimiya Yui of the Japan Aerospace Exploration Agency (left) and Oleg Kononenko of the Russian Federal Space Agency (Roscosmos, center), Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station.  Credit: Gagarin Cosmonaut Training Center
3850:..At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 prime crewmember Kjell Lindgren of NASA (right) plants a tree in his name in a traditional pre-launch ceremony July 15. Assisting are crewmates Kimiya Yui of the Japan Aerospace Exploration Agency (left) and Oleg Kononenko of the Russian Federal Space Agency (Roscosmos, center), Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station...Credit: Gagarin Cosmonaut Training Center.
A SpaceX Dragon spacecraft atop the company’s Falcon 9 rocket rolls to the launch pad at Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Monday, July 27, 2025, for NASA’s SpaceX Crew-11 mission. NASA astronauts Zena Cardman, commander, and Mike Fincke, pilot, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, are scheduled to launch at 12:09 p.m. Thursday, July 31, 2025, to the International Space Station for the 11th crew rotation mission as part of NASA’s Commercial Crew Program.
NASA's SpaceX Crew-11 Rollout
A SpaceX Dragon spacecraft atop the company’s Falcon 9 rocket rolls to the launch pad at Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Monday, July 27, 2025, for NASA’s SpaceX Crew-11 mission. NASA astronauts Zena Cardman, commander, and Mike Fincke, pilot, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, are scheduled to launch at 12:09 p.m. Thursday, July 31, 2025, to the International Space Station for the 11th crew rotation mission as part of NASA’s Commercial Crew Program.
NASA's SpaceX Crew-11 Rollout
A SpaceX Falcon 9 rocket with the company's Dragon spacecraft on top stands vertical on the launch pad at Launch Complex 39A at Kennedy Space Center in Florida on Sunday, July 27, 2025, ahead of NASA’s SpaceX Crew-11 launch. The Crew-11 mission will send NASA astronauts Zena Cardman and Mike Fincke, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, to the International Space Station aboard SpaceX’s Dragon spacecraft and Falcon 9 at 12:09 p.m. EDT on Thursday, July 31, 2025, from NASA Kennedy’s Launch Complex 39A.
NASA's SpaceX Crew-11 Sunset at LC-39A
A SpaceX Falcon 9 rocket with the company's Dragon spacecraft on top stands vertical on the launch pad at Launch Complex 39A at Kennedy Space Center in Florida on Sunday, July 27, 2025, ahead of NASA’s SpaceX Crew-11 launch. The Crew-11 mission will send NASA astronauts Zena Cardman and Mike Fincke, along with JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and Roscosmos cosmonaut Oleg Platonov, to the International Space Station aboard SpaceX’s Dragon spacecraft and Falcon 9 at 12:09 p.m. EDT on Thursday, July 31, 2025, from NASA Kennedy’s Launch Complex 39A.
NASA's SpaceX Crew-11 Sunset at LC-39A