The BATTLE OF THE CHOSIN RESERVOIR: After pushing far into North Korea during November of 1950, Marines were cut off after the Chinese Communist Forces entered the war. Despite facing a 10-division force sent to annihilate them, Marines smashed seven enemy divisions in their march from the Chosin Reservoir. The major significance of this retrograde movement was that Marines brought out all operable equipment, properly evacuated their wounded and dead, and maintained tactical integrity.
Source: http://www.militarywives.com/index.php/what-are-some-of-the-significant-marine-corps-battles
