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Norishige Kanai
Kanai at the Expedition 54 press conference in December 2017
Born	(1976-12-05) December 5, 1976 (age 48) Tokyo, Japan
Status	Active
Nationality	Japanese
Occupation	Physician
Space career
JAXA astronaut
Rank	Lieutenant, JMSDF
Time in space	168 days, 5 hours, 18 minutes
Selection	2009 JAXA Group NASA Group 20 (2009)
Total EVAs	1
Total EVA time	5 hours, 57 minutes
Missions	Soyuz MS-07 (Expedition 54/55)
Mission insignia

Norishige Kanai (金井 宣茂, Kanai Norishige, born 5 December 1976) is a Japanese doctor and JAXA astronaut.

He is a lieutenant and Diving Medical Officer in the Japan Maritime Self-Defense Force (Medical Service Division, 1st Service School). He served as a crew member on board the International Space Station for Expedition 54/55, and returned to Earth on June 3, 2018.

Personal life

Kanai graduated from Toho High School, Chiba, Japan, in 1995. He received an M.D. degree from National Defense Medical College in 2002.

He enjoys Iaidō and other Japanese traditional martial arts, scuba diving, and traveling.

He is a member of the Japan Surgical Society and the Japanese Society of Hyperbaric and Undersea Medicine.

Career

Kanai was commissioned from the National Defense Medical College in 2002. From 2002 to 2004, he worked in the Department of Surgery at the National Defense Medical College Hospital. In 2004, he was assigned to Japan Self Defense Force Ohminato Hospital, Aomori, Japan. He completed the Diving Medicine Course and qualified as a Diving Medical Officer in 2004. He also completed the U.S. Navy Diving Medical Officer’s Course as an international military student at the Naval Diving & Salvage Training Center, Florida, and qualified as a Navy diver in 2006. From 2006 to 2008, he worked in the Department of Surgery at the National Defense Medical College Hospital. He was transferred to Japan Self Defense Force Hospital Kure, Hiroshima, Japan, in 2008. Kanai worked at the JMSDF 1st Service School from June to September 2009.

JAXA career

After his selection as an astronaut candidate by JAXA in September 2009, Kanai arrived at Johnson Space Center later that month for NASA astronaut training. As one of the fourteen members of the 20th NASA astronaut class, he participated in Astronaut Candidate Training which includes scientific and technical briefings, intensive instruction in ISS systems, Extravehicular Activity (EVA), robotics, physiological training, T-38 Talon flight training, and water and wilderness survival training. Kanai was certified as an ISS astronaut in July 2011.

In 2011, Kanai served as cavenaut into the ESA CAVES training in Sardinia, alongside Thomas Pesquet, Tim Peake, Sergey Ryzhikov and Randolph Bresnik.

In July 2015, he participated as an aquanaut in the NEEMO 20 crew.

Expedition 54/55

In August 2015 JAXA announced his selection to the crew of Expedition 54/55 to the International Space Station, scheduled for launch in December 2017. Kanai was launched on into space onboard Soyuz MS-07 on December 17, 2017 07:21 UTC.

In January 2018 Kanai received publicity after mistakenly tweeting that he had grown "as much as 9 cm" taller due to the absence of gravity. Microgravity allows the vertebrae in astronauts' spines to spread apart; typical growth for astronauts in zero-gravity is two to five centimeters. A 9 cm growth spurt might hypothetically create problems, as the Soyuz spacecraft to take astronauts back to Earth has a limit on seating height. However, later Kanai remeasured and tweeted that he had apparently grown only 2 cm, saying "it was a measurement mistake (?)" [sic].

References

1. JAXA Selects An Additional Astronaut Candidate for ISS Crewmember - September 8, 2009 - JAXA web site
2. Japanese Astronaut Hopes to Make Space Open for Everyone - December 19, 2017 - NHK web site
3. Sauro, Francesco; De Waele, Jo; Payler, Samuel J.; Vattano, Marco; Sauro, Francesco Maria; Turchi, Leonardo; Bessone, Loredana (2021-07-01). "Speleology as an analogue to space exploration: The ESA CAVES training programme". Acta Astronautica. 184: 150–166. Bibcode:2021AcAau.184..150S. doi:10.1016/j.actaastro.2021.04.003. hdl:11585/819077. ISSN 0094-5765. S2CID 234819922.
4. "crew of NEEMO 20". 20 July 2015. Retrieved 29 January 2016.
5. "Astronaut Norishige Kanai Selected as Member of ISS Expedition Crew". JAXA. 26 August 2015.
6. Chris Gebhardt (December 17, 2017). "Soyuz MS-07 launches on final human mission of 2017". nasaspaceflight.com.
7. "Growth spurt worries Japanese astronaut". BBC News. 2018. Retrieved 10 January 2018.
8. "Japan astronaut sorry for 9cm growth error". BBC News. 2018. Retrieved 12 January 2018.

External links

• Astronaut Bio: Norishige Kanai (09/2009)
• Spacefacts biography of Norishige Kanai
• Astronaut Kanai assigned to long-stay mission in ISS August 27th 2015, Jiji Press / The Yomiuri Shimbun
• Norishige Kanai on Twitter

v t e NASA Astronaut Group 20, "The Chumps", 2009
NASA Astronaut Group 19 ← NASA Astronaut Group 20 → NASA Astronaut Group 21
Pilots	Jack D. Fischer Scott D. Tingle Gregory R. Wiseman
Mission specialists	Serena Auñón-Chancellor Jeanette J. Epps Michael S. Hopkins Kjell N. Lindgren Kathleen Rubins Mark T. Vande Hei
International mission specialists	Jeremy Hansen (Canada) Norishige Kanai (Japan) Takuya Onishi (Japan) David Saint-Jacques (Canada) Kimiya Yui (Japan)
v t e NASA Astronaut Groups NASA Astronaut Corps Groups 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Related List of astronauts by year of selection Astronaut ranks and positions List of United States Marine Corps astronauts List of United States Space Force astronauts

• Aquanauts
• Japan Maritime Self-Defense Force personnel
• Japanese astronauts
• Japanese military doctors
• People from Chiba Prefecture
• 1976 births
• Living people
• National Defense Medical College alumni
• Spacewalkers