Transcription: The course of World War II took a dramatic change in 1943. The Nazi high command saw a demonstration of a 40-foot Vengeance No. 2 rocket, or as it was later known, a V-2 rocket carrying a one-ton conventional warhead. When Hitler decided to speed up the rocket program at that late stage of the war, the V-2 became the first mass-produced long-range rocket. The first V-2s were delivered in...