In May 1991, the Soviet Union launched the Soyuz TM-12 mission to the Mir space station. Within months, all but one of the mission’s crew members had returned to Earth. Krikalev, a Soviet flight engineer, stayed behind to help staff Mir and conduct experiments. That December, the USSR dissolved. When the cosmonaut finally returned to Earth the following spring, it was as a citizen of Russia. Krikalev has spent more time in space than any other human—how many days in total? Discuss
Source: The Free Dictionary