CCF Attacks on 2/1 at Koto-ri--Convoy Reinforced by Marine Tanks--The Fight in Hell Fire Valley--Attack of George Company on East Hill--High Level Command Conference--CCF Attacks of 1 December at Hagaru--Rescue of U. S. Army Wounded--First Landings on Hagaru Airstrip XII Breakout From Yudam-ni 249 Joint Planning for Breakout--The Fight for Hills 1419 and 1542--March of 1/7 Over the Mountains--Attack of 3/5 on 1–2 December--The Ridgerunners of Toktong Pass--CCF Attacks on Hills 1276 and 1542--Advance of Darkhorse on 2–3 December--Entry into Hagaru Perimeter XIII Regroupment at Hagaru 277 4,312 Casualties Evacuated by Air--537 Replacements Flown to Hagaru--Air Drops of Ammunition--Planning for Breakout to Koto-ri--3/1 Relieved by RCT-5 at Hagaru--East Hill Retaken from Chinese--Attack of RCT-7 to the South--Advance of the Division Trains XIV Onward From Koto-ri 305 Assembly of Division at Koto-ri--Activation of Task Force Dog--Air Drop of Bridge Sections--Division Planning for Attack--Battle of 1/1 in the Snowstorm--Advance of RCT-7 and RCT-5--Marine Operations of 9 and 10 December--Completion of Division Breakout XV The Hungnam Redeployment 333 Marines Billeted in Hungnam Area--Embarkation of 1st Marine Division--The Last Ten Days at Hungnam--Marines Arrive at New Assembly Area--Contributions of Marine Aviation--Losses Sustained by the Enemy--Results of the Reservoir Campaign _Appendixes_ A Glossary of Technical Terms and Abbreviations 361 B Task Organization, 1st Marine Division 365 C Naval Task Organization 373 D Effective Strength of 1st Marine Division 379 E 1st Marine Division Casualties 381 F Command and Staff List, 8 October-15 December 1950, 1st Marine Division and 1st Marine Aircraft Wing 383 G Enemy Order of Battle 397 H Air Evacuation Statistics 399 I Unit Citations 401 Bibliography 405 Index 413 Illustrations _Photographs_ Sixteen-page sections of photographs follow pages 148 and 276. _Maps and Sketches_ _Page_ 1 Eighth Army Advances and Restraining Lines 4