 Fedak was also a member of the secret Committee of Ukrainian Youth and of "Vola", an underground militant organization of Ukrainian students and ex-officers of the Ukrainian Galician Army whose purpose was to fight for an independent Ukraine.It was steered from abroad by Colonel Yevhen Konovalets' Ukrainian Military Organization, acting in Czechoslovakia and Germany.The Ukrainian Military Organization planned to organize underground attacks and sabotage in southeastern Poland, with its majority-Ukrainian population, to be followed by open warfare conducted by the Ukrainians against Poland and the Soviet Union until an independent Ukrainian state was reestablished in southeastern Poland and Dnieper Ukraine (Great Ukraine).