From 1972 to 1976, Remek studied at the Gagarin Air Force Academy. Upon his return to Czechoslovakia in 1976, he was promoted to captain and appointed deputy commander of his fighter regiment, after which Remek went back to Russia to train for the Soviet-led space program. Following his return from space in March 1978, Remek spent time in the Czechoslovak People's Army (ČSLA) staff as the deputy director of the Flight Research Institute in Prague. In 1986, Remek became the deputy commander of a flight division based in Čáslav. In 1988 he graduated from Voroshilov-Staff Academy of Soviet Air Force and was appointed to his highest command, as deputy of the 2nd Air Defense Division stationed in Moravia. Following the Velvet Revolution in 1989, Remek was relegated to a role as Director of the Museum for Aviation and Astronautics in Prague. Following his retirement from the air force in 1995, Remek represented Czech firm CZ Strakonice and joint venture CZ–Turbo-GAZ in Moscow.