Viktor Petrovich Savinykh was born in Berezkiny, Kirov Oblast, Russian SFSR on March 7, 1940. Married with one child. Selected as a cosmonaut on December 1, 1978. Retired on February 9, 1989. Flew as Flight Engineer on Soyuz T-4, Soyuz T-13 and Soyuz TM-5. Has spent 252 days 17 hours 38 minutes in space.

Svetlana Yevgenyevna Savitskaya (Russian: Светла́на Евге́ньевна Сави́цкая; born 8 August 1948) is a retired Soviet aviator and cosmonaut who flew aboard Soyuz T-7 in 1982, becoming the second woman in space. On her 1984 mission she became the first woman to fly to space twice, and the first woman to perform a spacewalk. She set several FAI world records as a pilot.

Hans Wilhelm Schlegel (Überlingen, 3 August 1951) is a German physicist, an ESA astronaut, and a veteran of two NASA Space Shuttle missions. From 1995 to 1997, he trained as the backup crew member for the German-Russian Mir'97 mission, and afterwards received additional training in Russia to become qualified as a second board engineer for the Mir space station. In 1998, he became a member of the European Astronaut Corps. Schlegel was a Mission Specialist on the STS-122 Space Shuttle mission. The mission was charged with the responsibility of putting the Columbus laboratory in orbit, in addition to its connection to the International Space Station.

Helen Patricia Sharman, CMG, OBE, HonFRSC (born 30 May 1963) is a British chemist who became the first British astronaut and the first woman to visit the Mir space station in 1991.

Aleksandr Aleksandrovich Serebrov (Russian: Алекса́ндр Алекса́ндрович Серебро́в, February 15, 1944 – November 12, 2013) was a Soviet cosmonaut. He graduated from Moscow Institute of Physics and Technology (1967), and was selected as a cosmonaut on December 1, 1978. He retired on May 10, 1995. He flew on Soyuz T-7, Soyuz T-8, Soyuz TM-8 and Soyuz TM-17. He was one of very few cosmonauts to fly for both the Soviet Union and the Russian Federation that followed it. He held the record for most spacewalks, 10, until Anatoly Solovyev surpassed it. In all, Serebrov spent 371.95 days in space. Serebrov contributed to the design of Salyut 6, Salyut 7, and the Mir space stations.

Yelena Olegovna Serova (Russian: Елена Олеговна Серова, born 22 April 1976) is a Russian politician and former cosmonaut. She was selected as a cosmonaut in 2006 and was assigned in 2011 to Expedition 41, which launched in September 2014 and returned to Earth in March 2015. Serova became the first Russian woman to visit the International Space Station (ISS) on 26 September 2014.

Vitaly Ivanovich Sevastyanov (Russian: Вита́лий Ива́нович Севастья́нов; 8 July 1935 – 5 April 2010) was a Soviet cosmonaut and an engineer who flew on the Soyuz 9 and Soyuz 18 missions.

Yuri Georgiyevich Shargin (Russian: Юрий Георгиевич Шаргин) is a retired cosmonaut of the Russian Space Forces. He was selected as a cosmonaut on February 9, 1996. He was selected in 2004, to be the flight engineer on the Soyuz TMA-5 mission to the International Space Station. Shargin was the first Russian military cosmonaut on board and had a secret mission.

Salizhan Shakirovich Sharipov (Russian: Салижан Шакирович Шарипов) (born 24 August 1964) is a Kyrgyzstani cosmonaut. Sharipov is a co-author and investigator for the Advanced Diagnostic Ultrasound in Microgravity project. He has been to space twice (launched from the U.S. as an astronaut in 1998 and from Russia as a cosmonaut in 2004) and has conducted two spacewalks. Sharipov retired on 18 July 2008.

Rakesh Sharma (born 13 January 1949) is a former Indian Air Force pilot who flew aboard Soyuz T-11, launched on 2 April 1984, as part of the Interkosmos programme. Sharma is the first Indian citizen to travel in space.

Anton Nikolaevich Shkaplerov (Russian: Антон Николаевич Шкаплеров) (born February 20, 1972 in Sevastopol, Ukrainian SSR) is a Russian cosmonaut. He is a veteran of three spaceflights and is a former Commander of the International Space Station.

Georgy Stepanovich Shonin (Ukrainian: Гео́ргій Степа́нович Шо́нін) (August 3, 1935 – April 7, 1997; born in Rovenky, Luhansk Oblast, (now Ukraine) but grew up in Balta of Ukrainian SSR) was a Soviet cosmonaut, who flew on the Soyuz 6 space mission. Shonin was part of the original group of cosmonauts selected in 1960. He left the space programme in 1979 for medical reasons.