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",
Attacks on the London Underground He was sentenced to 15 years imprisonment later in the month. On 15 September 2017, an improvised explosive was detonated at the Parsons Green station at around 8:20 am. The homemade bomb produced what witnesses called a "wall of fire", resulting in 22 injuries, primarily burns. Ahmed Hassan was tried for attempted murder in March 2018. He was convicted and sentenced to life imprisonment and must serve a minimum of 34 years. Attacks on the London Underground This is a list of deliberate attacks on the infrastructure, staff or passengers of the London Underground that have caused considerable damage, injury