The eleventh day of the offensive saw the westward drive halted short of the Meuse. Kampfgruppe Peiper was officially disbanded, and the 6. SS-Panzerarmee, stripped of its armour, was ordered to assume a defensive role, having definitively failed to break the Northern Shoulder. German supply lines were overextended and vulnerable to air attack whenever the weather cleared.
The day’s defining event was the relief of Bastogne: forward tanks of CCR, 4th Armored Division, pushed through Assenois to link up with the besieged 101st Airborne Division in the late afternoon. The 325th Glider Infantry Regiment retook Manhay after intense night fighting. First Army began formal regrouping in preparation for a counter-offensive.