Testimony of Boris Grajneman, born in Disna, Poland, 1913, regarding his experiences in Vilna and as a partisan Liquidation of the ghettos in the Vilna area, 1943; escape of Jewish youth from Vilna, Postawy and Glebokie to the forests in Narocz; the youth join the partisans; attitude of the Belorussian population towards the youth; forest life from 1942, including help to Jews who escaped during the liquidation of the ghettos; establishment of a Jewish partisan regiment, known as "Revenge", in the forests in Narocz; establishment of a group of approximately 300 Jewish fighters; transfer of Jews from the Vilna Ghetto; joining the partisans by the Jews; employment of non-combatant Jews in helping combatant groups including sewing clothes and housework; witness serves as commander of a combat unit that defeated a regiment of Germans in Kobylnik; rescue of scores of Jews in hiding in Kobylnik after the liquidation of the ghetto.