 Complete the following phrase:  In January 1945, the Luftwaffe attempted one last major air offensive against the Allied Air Forces. Over 950 fighters had been sent west from the Eastern Front for Operation Bodenplatte. On 1 January, the entire German fighter force in the West, comprising combat aircraft from some eleven Jagdgeschwader day fighter wings, took off and attacked 27 Allied airfields in northern France, Belgium and the southern part of the Netherlands in an attempt by the Luftwaffe to cripple Allied air forces in the Low Countries of Europe. It was a last-ditch effort to keep up the momentum of the German forces during the stagt stage of the Battle of the Bulge 