Zena Maria Cardman is an American marine biologist and a NASA astronaut of the class of 2017.

Raja Jon Vurputoor Chari is an American test pilot and NASA astronaut of the class of 2017. He is a graduate of the U.S. Air Force Academy, MIT, and U.S. Naval Test Pilot School, and has over 2,000 flying hours.

Matthew Stuart Dominick is a US Navy test pilot and a NASA astronaut of the class of 2017. He has more than 1,600 hours of flight time in 28 aircraft, 400 carrier-arrested landings, 61 combat missions, and almost 200 flight test carrier landings.

Jonathan Yong Kim is an American physician, Navy SEAL, and NASA astronaut of the class of 2017. He is a recipient of the Silver Star and a Bronze Star, and a graduate of the University of San Diego and Harvard Medical School.

Jasmin Moghbeli is an Iranian-American Marine Corps test pilot and NASA astronaut of the class of 2017. She is a graduate of the Massachusetts Institute of Technology, Naval Postgraduate School, and U.S. Naval Test Pilot School, and has over 1,600 hours of flight time and 150 combat missions.

Loral O'Hara is an American engineer and NASA astronaut of the class of 2017.

Francisco Carlos Rubio is a US Army helicopter pilot, flight surgeon, and NASA astronaut of the class of 2017.

Jessica Andrea Watkins is an American geologist, former international rugby player, and a NASA astronaut of the class of 2017.

Robb Michael Kulin is a former NASA astronaut candidate of the class of 2017. He resigned from NASA, effective August 31, 2018, before completing astronaut training.

Sergei Valeriyevich Prokopyev, born 19 February 1975 is a Russian cosmonaut. He is the commander of Soyuz MS-09, and flight engineer of Expedition 56/57 to the International space station.

Sergey Nikolayevich Ryzhiko born on August 19, 1974, lieutenant colonel of Russian Air Force, is a Russian cosmonaut, selected in 2006. Ryzhikov launched on his first spaceflight onboard the Soyuz MS-02 spacecraft. He spent approximately six months onboard the International Space Station taking part in Expedition 49/50, returning to Earth on April 10, 2017.

Norman Earl Thagard (born July 3, 1943), (Capt, USMC, Ret.), 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 on this on March 14, 1995, in the Soyuz TM-21 spacecraft for the Russian Mir-18 mission.