Naoko Yamazaki is a Japanese engineer and former astronaut at JAXA. She was the second Japanese woman to fly in space. The first was Chiaki Mukai.
Janet Lynn Kavandi, a native of Carthage, Missouri, is an American scientist and a NASA astronaut. She is a veteran of three Space Shuttle missions, served as NASA's Deputy Chief of the Astronaut Office, and was the Center Director at the NASA Glenn Research Center in Cleveland, Ohio from March 2016 until her retirement from NASA in September 2019. She was inducted into the United States Astronaut Hall of Fame in 2019.
Nancy Jan Davis is a former American astronaut. A veteran of three space flights, Davis logged over 673 hours in space. She is now retired from NASA.
Norman Earl Thagard is an American scientist and former U.S. Marine Corps officer and naval aviator and NASA astronaut. He is the first American to ride to space on board a Russian vehicle, and can be considered the first American cosmonaut. He did this on March 14, 1995, in the Soyuz TM-21 spacecraft for the Russian Mir-18 mission.
Bonnie Jeanne Dunbar is an American engineer and retired NASA astronaut. She flew on five Space Shuttle missions between 1985 and 1998, including two dockings with the Mir space station.
Gregory Jordan "Greg" Harbaugh is an aeronautical/astronautical engineer and former NASA astronaut. He flew on four space shuttle missions as a mission specialist with responsibilities that included Remote Manipulator System (RMS) operation and Extravehicular Activity (EVAs). He performed three spacewalks during the shuttle missions including in support of repair/refurbishment of the Hubble Space Telescope.
Ellen Ochoa is an American engineer, former astronaut and former director of the Johnson Space Center. In 1993, Ochoa became the first Latina woman to go to space when she served on a nine-day mission aboard the Space Shuttle Discovery. Ochoa became director of the center upon the retirement of the previous director, Michael Coats, on December 31, 2012. She was the first Latina director and the second female director of Johnson Space Center.
Paul William Richards is an American engineer and a former NASA astronaut. He flew aboard one Space Shuttle mission in 2001.
Joan Elizabeth Higginbotham is an electrical engineer and a former NASA astronaut. She flew aboard Space Shuttle Discovery mission STS-116 as a mission specialist and is the third African American woman to go into space, after Mae Jemison and Stephanie Wilson.
Douglas Harry "Wheels" Wheelock is an American engineer and astronaut. He has flown in space twice, logging 178 days on the Space Shuttle, International Space Station, and Russian Soyuz. On July 12, 2011, Wheelock announced that he would be returning to active duty with the United States Army in support of Operation Enduring Freedom. He is currently working with NASA to test the Orion spacecraft at the Glenn Research Center in Plum Brook, Ohio.
Gregory Errol Chamitoff is a Canadian-born American engineer and former NASA astronaut. He has been to space twice, spending 6 months aboard the ISS across Expedition 17 and 18 in 2008, and another 15 days as part of STS-134 in 2011. STS-134 was the last of Space Shuttle Endeavour which delivered the Alpha Magnetic Spectrometer and completed the US Orbital Segment.
Shannon Walker is an American physicist and a NASA astronaut selected in 2004. She launched on her first mission into space on June 25, 2010, onboard Soyuz TMA-19 and spent over 163 days in space.
Thomas Henry "Tom" Marshburn is an American physician and a former NASA astronaut. He is a veteran of three spaceflights to the International Space Station and holds the record for the oldest person to perform a spacewalk at 61 years old.
Michael Reed Barratt is an American physician and a NASA astronaut. Board certified in internal and aerospace medicine, he served as a flight surgeon for NASA before his selection as an astronaut and has played a role in developing NASA's space medicine programs for both the Shuttle–Mir program and International Space Station. His first spaceflight was a long-duration mission to the International Space Station as a flight engineer on the Expedition 19 and 20 crew. In March 2011, Barratt completed his second spaceflight as a crew member of STS-133. Barratt made a second long-duration mission to the International Space Station as a flight engineer on the Expedition 70, 71, and 72 crew and also served as the pilot on the SpaceX Crew-8 mission.
Michael Scott "Mike" Hopkins is a United States Space Force colonel and a former NASA astronaut. Hopkins was selected in June 2009 as a member of the NASA Astronaut Group 20. He made his first spaceflight as a Flight Engineer on Soyuz TMA-10M/Expedition 37/Expedition 38, from September 2013 until March 2014. He is the first member of his astronaut class to fly in space. Hopkins is the first astronaut to transfer to the U.S. Space Force, participating in a transfer ceremony on the International Space Station. Prior to his transfer, he served over 27 years in the United States Air Force.
Christina Koch is an American engineer and NASA astronaut of the class of 2013. She received Bachelor of Science degrees in electrical engineering and physics and a Master of Science in electrical engineering at North Carolina State University. She also did advanced study while working at the Goddard Space Flight Center. Just before becoming an astronaut, she served at the National Oceanic and Atmospheric Administration as station chief for American Samoa.
Aprille Joy Ericsson is an American aerospace engineer currently serving as the assistant secretary of defense for science and technology. Ericsson is the first African-American woman to receive a Ph.D. in mechanical engineering from Howard University and the first African-American woman to receive a Ph.D. in engineering at the National Aeronautics and Space Administration (NASA) Goddard Space Flight Center (GSFC).
Beth Moses is chief space flight participant instructor and interiors program manager for Virgin Galactic's SpaceShipTwo program, and is a commercial astronaut, as classified by the Federal Aviation Administration. She was the first woman to make a spaceflight on a commercially launched vehicle, the VSS Unity VF-01 flight of 22 February 2019. She was also part of the six-member crew that flew in the first fully-crewed test flight to space on July 11, 2021, aboard VSS Unity.
Mary Helen Johnston, later also Mary Helen McCay, is an American scientist and former astronaut. Working with NASA as an engineer in the 1960s and '70s, Johnston aspired to be an astronaut; she unsuccessfully applied in 1980 before becoming a payload specialist in 1983. Johnston retired from NASA in 1986 without having gone to space. She is a professor at Florida Institute of Technology.
