Sergei Konstantinovich Krikalev was born on August 27, 1958, in Leningrad, USSR (now St. Petersburg, Russia).
He graduated from high school in 1975, pursued mechanical engineering at the Leningrad Mechanical Institute, and received his degree in 1981, now at St. Petersburg Technical University (now called Baltic State Technical University).
After graduating from the university, he joined NPO Energia, the Soviet industrial organization responsible for manned space flight activities.
He enjoyed swimming, skiing, cycling, aerobatic flying, and amateur radio operations, particularly from space (callsign U5MIR).
He joined NPO Energia, the Russian industrial organization responsible for crewed space flight activities. He tested space flight equipment, developed space operations methods, and participated in ground control operations.
His mother wanted him to become a doctor, but Sergei was small, determined, and interested in pursuing his dream of cosmonaut.
When the Salyut 7 space station failed in 1985, he worked on the rescue mission team, developing procedures for docking with the uncontrolled station and repairing the station’s onboard system.
Krikalev was selected as a cosmonaut in 1985. He completed his basic training and was assigned to the Buran program, the USSR’s space shuttle, in 1886, but it was canceled in 1993.
He started training for the first long-duration flight aboard the Mir space station. Soyuz TM-7 was launched on November 26, 1988, with Krikalev as Flight Engineer, Alexander Volkov as Commander, and French astronaut Jean-Loup Chretien.
Krikalev returned safely to earth on 27 April 1989 after spending the next 152 days aboard Mir.
In April 1990, Krikalev started preparing for his second flight as a backup crew member for the eighth long-duration Mir mission, which also included five EVAs and a week of Soviet-Japanese operations.
Krikalev began training for the ninth Mir mission, which included training for ten EVAs in December 1990
Krikalev was selected as flight engineer, Commander Anatoly Artsebarsky, and British astronaut Helen Sharman by Soyuz TM- 12, launched on May 19 May 1991.
Krikalev is sometimes called “the last Soviet citizen.”
Krikalev was awarded the title of Hero of the Soviet Union, the Order of Lenin, the French title of L’Officier de la Légion d’Honneur, and the new title of Hero of Russia for his space flight experience
He also received the NASA Space Flight Medal in 1994 and another in 1998.
Asteroid 7469 Krikalev is named in his honor.
Krikalev regularly communicated with various amateur radio operators (hams) across the globe throughout his various missions aboard Mir. Krikalev and amateur radio operator Margaret Iaquinto formed a particularly lengthy relationship.
Krikalev and Iaquinto communicated successfully about personal matters and political affairs via packet radio for the first time in history between an orbiting space station and an amateur radio operator.
Krikalev was in space when the Soviet Union was dissolved on 26 December 1991. The Baikonur Cosmodrome and the landing area were located in the newly independent Kazakhstan, and there was a great deal of unreliability about the destiny of his mission. He remained in space, spending 311 days more than twice as long as initially planned. Because Krikalev spent so much time in space, it caused him to be 0.02 times younger than other people born simultaneously due to traveling at high velocities and slowing down the clock. He returned to Earth on 25 March and is sometimes called scrutinized the "last Soviet citizen." These events are documented and examined in Romanian filmmaker Andrei Ujică's 1995 documentary Out of the Present. Krikalev's story also inspired the 2017 film Sergio & Sergei, directed by Ernesto Daranas.
He was awarded four NASA medals, the Order of the Rising Sun, 3rd degree (Japan) and he is an officer of the Legion of Honor (France).
Mr. Krikalev is a Member of the National aerobatic team and a World Champion and a European champion on glider aerobatic.
According to the media news, In 1991, veteran cosmonaut Sergei Krikalev undertook a routine mission to the Mir space station, unaware that he was on the edge of viewing historic events unfold from the extraordinary vantage point of space but Krikalev's mission coincided with the Soviet Union's dramatic collapse.
As per the news outlet, this disturbance and turbulence consequenced on a delayed return for Krikalev.
The extension of returning of Karikalev create lots of challenges. Microgravity took a toll on Krikalev's physical health, leading to muscle and bone weakening. Social isolation and disrupted communication from a changing Earth added to the psychological strain.
Krikalev returned to a completely different world after 10 months and 5,000 Earth orbits. The Soviet Union was gone and replaced by newly independent states.
Sergei Krikalev's space mission wasn't just about scientific research. He became a global symbol of human connection during a time of political chaos.
According to BBC-quoted space historian Kathleen Lewis, Krikalev's down-to-earth conversations with people on Earth via the space station's radio fostered a special connection. Lewis said these radio chats created a network of informal contacts around the world, making Krikalev a popular figure despite the extraordinary circumstances of his extended mission.
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