ブラウ作戦
After Fedor von Bock was relieved of his command of Army Group Center on 18 December, Kluge was promoted to replace him. Bitter fighting continued in Army Group Center's sector in the winter and early spring, with neither side being able to make much headway. The German forces held, but barely. During the summer campaign of 1942, Case Blue, the army group was to hold its position.