what was its use after the war?
At first the United States and the USSR were engaged in retrieving as many of the rockets as possible. Later , the rocket was further developed for military and civilian purposes.
V-2 rocket
At the end of the war, a race began between the United States and the USSR to retrieve as many V-2 rockets and staff as possible. Three hundred rail-car loads of V-2s and parts were captured and shipped to the United States and 126 of the principal designers, including Wernher von Braun and Walter Dornberger, were in American hands. Von Braun, his brother Magnus von Braun, and seven others decided to surrender to the United States military (Operation Paperclip) to ensure they were not captured by the advancing Soviets or shot dead by the Nazis to prevent their capture.

After the Nazi defeat, German engineers were moved to the United States, the United Kingdom and the USSR, where they further developed the V-2 rocket for military and civilian purposes. 
who participated in the battle of vimy ridge Four divisions of the Canadian Corps in the First Army, against three divisions of the German 6th Army. where did it take place? In the Nord-Pas-de-Calais region of France. did it also take place in the trenches? Yes, trench raiding was done by the Canadian Corps. was air force used? Yes, both the sides used air force. did anyone get military honors for their service during the battle? Four members of the Canadian Corps received the Victoria Cross. when was this award started? 29 January 1856. who received it in the above mentioned battle? UNANSWERABLE was this battle a part of any big war? Yes, the First World War were any other battles also fought in the region where this battle was fought? Yes, the World War II. what happened at this place during that war? It was used for vengeance weapon installations, including extensive V-1 "ski sites" that launched attacks on England and massive bunkers for the V-2 rocket and V-3 cannon. when was the rocket developed? In 1934 successful launches were conducted.
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V-2 rocket [SEP] Post-war use
At the end of the war, a race began between the United States and the USSR to retrieve as many V-2 rockets and staff as possible. Three hundred rail-car loads of V-2s and parts were captured and shipped to the United States and 126 of the principal designers, including Wernher von Braun and Walter Dornberger, were in American hands. Von Braun, his brother Magnus von Braun, and seven others decided to surrender to the United States military (Operation Paperclip) to ensure they were not captured by the advancing Soviets or shot dead by the Nazis to prevent their capture. After the Nazi defeat, German engineers were moved to the United States, the United Kingdom and the USSR, where they further developed the V-2 rocket for military and civilian purposes.