Following Poland's defeat by Nazi Germany and the Soviet Union, he escaped to Hungary, then to France, and finally Great Britain, where he became a Polish Armed Forces in the West parachutist.

[2] The first platoon of Cichociemni rescuers drove undetected through the prison gate in an Opel car, while dressed in the SS uniforms and shouting at the guards in German.

They opened the prison cells and released the inmates who were loaded onto a lorry they had requisitioned and they drove away ten minutes before the German reinforcements arrived.

His biography titled Major Wacław Kopisto – Cichociemny Oficer AK Sybirak, written by Krzysztof A. Tochman, was published in Poland by Libra in 2010.

[6] Kopisto was also the subject of a 1989 film documentary Cichociemni, about the Polish parachuters of World War II, made by Marek Widarski for WWFD Czołówka.