 Complete the following phrase:  Bad weather set in during December, with widespread flooding, and 168 Bty had to be rescued by river barge. There was little activity by the Luftwaffe, but on 17 December it carried out strikes all along the Allied front, with Focke-Wulf Fw 190s and Messerschmitt Bf 109s attacking the Waal bridges and artillery positions at low level. On 1 January 1945, the Luftwaffe launched Operation Bodenplatte: daylight attacks by single-engined fighters against Allied airfields and lines of communication in support of the 