The man who would go on to spend 803 days, 9 hours and 39 minutes in space across six flights learned to fly upside down first. Sergei Krikalev was a competitive aerobatic pilot before he was a cosmonaut, and in 1986 he was national champion.

That detail tends to get skipped. Krikalev is famous for something else.

He is the man often called the last Soviet citizen, aboard the Mir space station while the country that sent him up quietly ceased to exist. His 1991-92 mission ran to 311 days, roughly twice as long as originally planned, after he agreed to remain aboard for the next Mir crew amid political and economic upheaval. That story is so good it swallows everything before it. But the flying came first, and we think it explains more about the man than the endurance records do.

A national champion who then became a cosmonaut

Krikalev was born in Leningrad in 1958, earned a mechanical engineering degree, and joined the spacecraft maker NPO Energia as an engineer.

Somewhere in there he was also winning aerobatic competitions at the highest level in the country. His NASA biography puts it plainly: he was Champion of Moscow in 1983, and Champion of the Soviet Union in 1986.

Consider what national champion means in a country the size of the Soviet Union. This was not a hobby that got out of hand. He was a member of the Russian and Soviet national aerobatic flying teams. He was already at the top of one demanding discipline before he switched to another.

What aerobatics actually asks of a body

It is easy to picture aerobatics as showmanship, loops and smoke for a crowd. Physically, though, it repeatedly puts the body under substantial acceleration.

The FAA said as much in a 1984 advisory circular, in flat official language: “Aerobatic flying demands the best of both aircraft and pilot. The aircraft must be highly maneuverable, yet tolerant of G-loads. The pilot must possess skill and physiological stamina.”

The G-forces are the hard part. Pulling out of a maneuver can push a pilot to several times their body weight, driving blood away from the head. Left unmanaged, that can lead to narrowing vision, grey-out, blackout and ultimately unconsciousness. So the champion is not just the most artful flyer. He is the one who can hold precision and judgment while working under those loads.

Set that against the cosmonaut job and the overlap is obvious. Launch and re-entry also put the body under elevated G-forces. The work demands staying calm and exact while under physical stress, with little time to spare. Krikalev arrived at cosmonaut selection having already spent years developing skills directly relevant to that environment.

He was selected as a cosmonaut in 1985 and completed his basic training in 1986. And 1986 is also the year he won the national aerobatics title.

Finishing cosmonaut training would be the defining year in most careers. Winning a national championship in an unrelated, physically demanding sport would be the defining year in most others. He did both at once.

The rest of Krikalev’s record is the one everyone cites. Six spaceflights between 1988 and 2005. Eight spacewalks totalling around 41 hours outside the vehicle. The 803-day career total that made him the world record-holder in 2005, passing Sergei Avdeyev (That record has since been surpassed; Oleg Kononenko now holds the cumulative-time record)

And then there is the mission that made him a footnote in political history. Aboard Mir when the Soviet Union dissolved in 1991, Krikalev’s stay was stretched amid severe economic and political disruption on the ground. Speaking from orbit, quoted by IFLScience, he described the reasoning that had been put to him: “The strongest argument was economic because this allows them to save resources here.” And then: “But now the country is in such difficulty, the chance to save money must be top priority.” That is a man holding steady, in orbit, while the institution beneath him fell apart.

Our read of the aerobatics line is that it offers a way into the endurance. We tend to explain records like his with words like stamina and discipline, as if he simply had more of a common trait. The competitive flying points to something more specific: a temperament trained, before any of the famous missions, to be exact under pressure and comfortable operating under physical stress. The champion pilot was already the calm one at high G. The cosmonaut who stayed 311 days while his country vanished was, in a sense, drawing on the same qualities he had displayed as a national champion years earlier.