 Complete the following phrase:  After several weeks the weather improved and 301 Squadron rejoined the bombing campaign over France and Germany. Targets struck included, among others, Bremen, Hamburg, Cologne, Brest and Essen. On 17 April 1941 three crews took part in bombing of Berlin for the first time. On 18 July 1941 the two Polish bomber squadrons were moved to RAF Hemswell. In 1941 the squadrons aircraft undertook 436 missions, with a loss of 9 crews. On 12 February 1942 the squadron took part in an exceptional daylight operation against Channel Dash of German battleships, but did not find targets due to bad weather. On 28 March 1942, during a raid against Lübeck, one crew shot down Junkers Ju 88 night fighter. On the night of 3031 May 1942, fourteen aircraft took part in a thousand-bomber raid against 