Kopisto took part in several spectacular military actions in Volhynia against the occupying German forces as well as their collaborationist units of UPA, such as 20 January 1943 rescue of Polish prisoners of war from "Wachlarz" of the Armia Krajowa tortured at the Pińsk prison.
Kopisto took part in several spectacular military actions in Volhynia against the occupying German forces as well as their collaborationist units of UPA from "Wachlarz" of the Armia Krajowa tortured at the Pińsk prison. This was such as 20 January 1943 rescue of Polish prisoners of war.