 Despite reorganisation, some units (the 2nd Independent Mixed Air Force Regiment, 9th Independent Liaison Aviation Squadron, aviation sections of military districts and partially, units of the Air Force Academy) were used against Polish anti-communist guerillas and the Ukrainian Insurgent Army, up to 14 November 1947.Mainly Po-2 aircraft were used in those fights, in reconnaissance, liaison, propaganda and sometimes in ground-attack missions.Il-2's were also used in a few fights.