page_title: List of astronauts by first flight
section_title: Table
hierarchical_section_title: List of astronauts by first flight / Astronauts / Table
caption_attribution_description: English: Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata, flight engineer
context_page_description: This is a list of astronauts by first flight, in chronological order, according to the international definition of an astronaut; the Fédération Aéronautique Internationale criterion of achieving an altitude higher than 100 km, thereby crossing the Kármán line. Personnel who qualify only for the United States Astronaut Badge, awarded to those who achieve an altitude of 50 mi, are listed at the X-15's highest flights and the VSS Unity test flights.
caption: Koichi Wakata, joint 339th person in space and first Japanese commander of the ISS.
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