On 1 November II./KG 55 was involved in three operations in one night to Bristol, Oxford and Skegness. The following night I., II. and III./KG 55 took part in the offensive against London. On 6/7, 7/8, and 11/12 December London was the target for all three groups. On the latter date, Bournemouth and Exmouth were also hit by III./KG 55. On 12/13 December the "Geschwader" returned to the capital. Among the most destructive attacks was Operation "Mondscheinsonate" (Moonlight Sonata), which was the code word for the attack on Coventry on 14 November 1940. after "KGr" 100 released their incendiaries 16 He 111s of II./KG 55 released a mixture of LC 50 parachute flares and five SC 1800 and 11 SC1400 SC ("Sprengbomb-clyindrisch") heavy, general-purpose bombs, thin-cased to cause maximum damage on the surface. They were the heaviest German bombs available. A further five SC500 and 2,412 incendiaries were dropped. The full moon and absence of cloud made the use of "Knickebein" superfluous. The attack was a success and a large part of the city centre was destroyed. I. and III./KG 55 participated in the main waves. Meanwhile, I./KG 55 struck at Bournemouth and Portsmouth.