Destruction of the 31st Infantry A Tragedy of the Chosin Campaign by Patrick C. Roe Major, USMC (Ret) 228 Salmon Point Road Lopez Island, WA 98261 360.468.2220 patroe@rockisland.com Part I - Introduction The crucial battles of the Chosin Campaign, which had a decisive impact on the future course of the war, were fought in the ten day period between November 27 and December 6 , 1950. Four different actions were fought; the successful defense of Hagaru; the successful defense of Yudam-ni; the successful effort of the 5th and 7th Marines to break through from Yudam-ni to Hagaru-ri; the fight of...