It meant little to most Americans on 25 June 1950 to read in their Sunday newspapers that civil strife had broken out in Korea. They could hardly have suspected that this remote Asiatic peninsula was to become the scene of the fourth most costly military effort of American history, both in blood and money, before the end of the year. With a reputation built largely on amphibious warfare, Marines of the 1st Brigade were called upon to prove their versatility in sustained ground action. On three separate occasions within the embattled Perimeter—south toward Sachon and twice along the Naktong River—these Marine units hurled the weight of their assault force at the enemy...

The Inchon Landing was a major amphibious operation, planned in record time and executed with skill and precision. Even more, it was an exemplification of the fruits of a bold strategy executed by a competent force. The decision to attack at Inchon involved weakening the line against enemy strength in the Pusan Perimeter in order to strike him in the rear. It involved the conduct of an amphibious attack under most difficult conditions of weather and geography. It ultimately culminated with combat in the heart of Seoul. - Summary by Lemuel C. Shepherd, Jr. and Aaron Bennett