 In September 1941, when the corps was liquidated, there were still 500 previous Estonian soldiers.Having mobilized some 33,000 Estonians as the Soviets were evacuating in the summer of 1941, no more than half of those men were used for military service; the rest perished in Gulag concentration camps and labour battalions, mainly in the early months of the war.Estonian military units within the Red Army began to be formed in January 1942, from among ethnic Estonians living in the USSR.