Sergei Krikalev

Sergei Krikalev: The Last Soviet Citizen

He launched from Baikonur on 19 May 1991 as a citizen of the Union of Soviet Socialist Republics. He landed on 25 March 1992 as a citizen of the Russian Federation, into a country that had not existed when he left, at a cosmodrome that was now in a foreign nation. In between, on 26 December 1991, the state that had sent him into orbit dissolved beneath him, and nobody on the ground could say with confidence when he would be brought home. He stayed 311 days — roughly twice the planned duration — and kept the station running the whole time.

The Engineer First

Sergei Konstantinovich Krikalev was born on 27 August 1958 in Leningrad, now Saint Petersburg. He took a mechanical engineering degree from the Leningrad Mechanical Institute in 1981 and joined NPO Energia, the Soviet Union's principal spacecraft design bureau, in the same year. This order matters. Krikalev came to spaceflight as a working engineer, not as a pilot: at Energia he tested flight equipment and developed operational methods for crews in orbit, which is to say he spent his early career writing the procedures other people would have to execute with their lives.

The most consequential piece of that work came in 1985, when he contributed to the rescue of Salyut 7 — a space station that had gone dead and unresponsive in orbit — by helping develop the docking procedures for approaching a disabled, uncontrolled target. It remains one of the hardest problems ever solved in crewed spaceflight, and Krikalev solved his part of it from the ground. He was selected as a cosmonaut that same year, completed basic training in 1986, and initially trained for the Buran shuttle programme before being reassigned to Mir.

Two Tours on Mir

His first flight, Soyuz TM-7, launched on 26 November 1988 and returned on 27 April 1989 — 151 days aboard Mir as flight engineer. His second, Soyuz TM-12, was meant to be comparable. It was not.

When the Soviet Union collapsed in December 1991, the machinery that was supposed to retrieve him collapsed with it. Baikonur Cosmodrome and the landing zones were suddenly inside newly independent Kazakhstan. The programme's funding, chain of command and political ownership were all in question at once. Krikalev remained in orbit, maintaining Mir, and returned home on Soyuz TM-13 on 25 March 1992 after 311 days. The episode gave him the title that has followed him ever since — the last Soviet citizen — and inspired the 1995 documentary *Out of the Present* and the 2017 film *Sergio and Sergei*.

Building the Bridge

What happened next made him the single most important human link between the Cold War's two space programmes. On STS-60, flying aboard *Discovery* from 3 to 11 February 1994, Krikalev became the first Russian to fly on an American Space Shuttle — a mission that would have been unthinkable four years earlier. On STS-88, aboard *Endeavour* from 4 to 15 December 1998, he flew the first International Space Station assembly mission and entered the new station alongside commander Robert Cabana, the two of them crossing the hatch together in a piece of deliberate diplomatic choreography.

He then served as flight engineer on Expedition 1, the ISS's very first resident crew, launching on Soyuz TM-31 and living aboard from 31 October 2000 to 21 March 2001, a 141-day mission. In 2005 he returned on Soyuz TMA-6 as commander of Expedition 11, spending 179 days in orbit. On 16 August 2005 he passed Sergei Avdeyev's cumulative spaceflight record.

The career totals across six flights: 803 days, 9 hours and 39 minutes in space — for years the world record, and still fourth on the all-time list — plus eight spacewalks totalling more than 41 hours outside the vehicle.

After the Flying

Krikalev retired from cosmonaut status in 2007 and moved into the management of Russian human spaceflight, serving as a senior figure at Energia with responsibility for crewed flights, heading the Yuri Gagarin Cosmonaut Training Centre from 2009 to 2014, and subsequently taking leadership roles at Roscosmos overseeing crewed missions. He holds the Hero of the Soviet Union and the Order of Lenin from one country and the Hero of the Russian Federation from its successor — an almost uniquely awkward combination — along with NASA Space Flight Medals for 1994 and 1998.

Why Sergei Is Called a Genius

No theory carries his name and no invention does either, and the sources do not record anyone anointing him with the word in print. The case for it rests on two specific capacities, and both are demonstrable.

The first is operational engineering judgement — the ability to reason correctly about a complex machine in an unforgiving environment, in real time, with incomplete information. He was doing this before he ever flew: the Salyut 7 rescue required working out how to approach and dock with a station that was dead, silent and not cooperating, a problem with no textbook. He then spent 803 days applying the same faculty as a crew member, repeatedly assigned to the missions where things were most likely to go wrong or had never been attempted — the first shuttle flight by a Russian, the first ISS assembly flight, the first ISS crew. Programmes send their most reliable diagnostician on those flights, not their most decorated pilot.

The second is temperament under conditions no training simulates. During those 311 days, the specific fear was not mechanical failure but abandonment: the state responsible for retrieving him ceased to exist, and the answer to "when am I coming down?" became genuinely unknown. He did not deteriorate, did not lose the station, and came back and flew four more times. That is a form of psychological competence that reads as unremarkable only because he made it look so.

The honest counter-case is that much of this was assignment rather than genius. Someone had to be aboard Mir in 1991; the historical resonance is an accident of timing, not an achievement. Endurance records reflect flight opportunities as much as ability, and his 803 days has since been surpassed — he now ranks fourth. He is not credited with a scientific discovery. What can be defended without inflation is narrower and still substantial: Krikalev was the most consistently trusted operational engineer of his generation of cosmonauts, and organisations on both sides of a dissolving rivalry kept reaching the same conclusion independently.

Legacy

Krikalev's real monument is the International Space Station, which he helped assemble, first inhabited and later commanded. He is the thread running from the Salyut era through Mir, through the Shuttle-Mir thaw, to the permanent international outpost — the one person present at nearly every hinge point in that transition. When the political order that produced him vanished, he was three hundred kilometres above it, keeping the hardware alive until somebody worked out who was going to bring him home.

Achievements

• Officer of the Legion of Honour — 1989
• Affiliated with S.P. Korolev Rocket and Space Corporation Energia, Yuri Gagarin Cosmonaut Training Center and TsNIIMash
• Educated at Baltic State Technical University
• Worked as astronaut, engineer and cinematographer