V-2 rocket offensive began on 8 September 1944, when "Lehr- und Versuchsbatterie No. 444" () launched a single rocket guided by a radio beam directed at Paris. Wreckage of combat V-2s occasionally contained the transponder for velocity and fuel cutoff. The painting of the operational V-2s was mostly a ragged-edged pattern with several variations, but at the end of the war a plain olive green rocket also appeared. During tests, the rocket was painted in a characteristic black-and-white chessboard pattern, which aided in determining if the rocket was spinning around its longitudinal axis. The original German designation of the rocket was "V2",
History of London many historic buildings. St Paul's Cathedral, however, remained unscathed; a photograph showing the Cathedral shrouded in smoke became a famous image of the war. Having failed to defeat Britain, Hitler turned his attention to the Eastern front and regular bombing raids ceased. They began again, but on a smaller scale with the "Little Blitz" in early 1944. Towards the end of the war, during 1944/45 London again came under heavy attack by pilotless V-1 flying bombs and V-2 rockets, which were fired from Nazi occupied Europe. These attacks only came to an end when their launch sites were captured by