Test launches were made at Peenemünde Test Stand VII, Blizna V-2 missile launch site and Tuchola Forest using experimental and production rockets fabricated at Peenemünde and at the Mittelwerk.
Post-war launches were performed in Germany at Cuxhaven, in the USSR at Kapustin Yar, in the USA at White Sands Proving Grounds, Cape Canaveral, and on the USS Midway during Operation Sandy.
[1] For Operation Backfire, the British collected together and assembled a small number of V-2s to be launched for demonstration purposes.
The Upper Atmosphere Research Panel performed experiments on US flights of V-2s.
Subsequently, they moved the equipment to the USSR and developed their own copy, the missile R-1.