During 1942 the forces will be roughly equal, with six or so aircraft carriers on each side - this was the period which in reality saw tense fighting for Midway, the Coral Sea and Guadalcanal. As in "Advanced Third Reich" the US economic base (counted separately from the "European War" US economy) starts at 150 BRPs, but grows automatically by 20 BRP per turn after entering the war, so by 1944-5 the US economy will have grown to colossal size. American SR and initial deployment capacity are linked to the size of her base, while her forcepool increases in tranches, so by 1944-5 the USA will have achieved overwhelming strength in submarines, surface fleet and air factors. After the end of the war in Europe, the Soviets may invade Manchuria, which Japan has been required to garrison up until this point.