 Less than a year later, at the start of 1943, it had reached a strength of some 200,000.In the summer of 1944, when Operation Tempest began, the Home Army reached its highest membership.Estimates of membership in the first half and summer of 1944 range from 200,000, through 300,000, 380,000 and 400,000 to 450,000–500,000.