Description: 162 Lancasters and 8 Mosquitos of Nos 1, 3 and 8 Groups to attack the Rothe Erde railway yards at Aachen. 12 Lancasters lost, 7.0 per cent of the force. The railway lines at the yards, which were not seriously hit in the raid of 2 nights earlier, were now severely damaged and all through traffic was halted. A large proportion of delayed-action bombs were dropped. The local people were impressed that the whole raid only lasted 12 minutes.