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",
London in World War II the end of the war, during 1944/45 London came under heavy attack again by pilotless V-1 and V-2 rockets, which were fired from Nazi occupied Europe. The first V-1 was launched at London on 13 June 1944, The attacks ended when the launching sites were captured in October. Approximately 10,000 were fired at England; 2,419 reached London, killing about 6,184 people and injuring 17,981. The greatest density of hits were received by Croydon, on the south-east fringe of London. V-2 attacks began on 8 September 1944, killing 2,754 civilians in London with another 6,523 injured, which is two people killed