igor petrovich volk (, ; 12 april 1937 – 3 january 2017) was a soviet cosmonaut and test pilot. he was best known for his involvement as a research cosmonaut in the soyuz t-12 in 1980. it was seventh manned spaceflight to the soviet space station salyut 7. he bomber pilot in the soviet air force. he later joined the moscow aviation institute in 1962. he had over 7000 flight hours logged in over 80 different aircraft. he had the rank of colonel in the russian air force.