USS Chosin is a US Navy aegis cruiser built in 2002. It's a tradition in the U.S. Navy to name its vessels after the names of meaningful battlefields. 'Chosin' refers to the battle of Chosin Reservoir that occurred during the Korean War. It was one of the three fiercest winter battles in global history and a battle recorded as the hardest battle in American history. The UN forces were outnumbered 10 to 1, overwhelmed by a massive human-wave attack.The fierce battle occurred from Changjinho Lake to Hungnam in the harsh winter of 1950, also described as being 'living hell,' But it was also a journey of a miracle.Let's see the most ferocious battle in the history of the US Marines called "Battle of Chosin Reservoir."