The Battle of Inchon (Korean: 인천상륙작전; Hanja: 仁川上陸作戰; RR: Inchon Sangnyuk Jakjeon) was an amphibious invasion and a battle of the Korean War that resulted in a decisive victory and strategic reversal in favor of the United Nations Command (UN).
Explanation:
Once Inchon was secure, the Marines and Army still had to seize the capital of South Korea: Seoul. This was important for two reasons: First, as the capitol of South Korea, it would be a major blow to the North Koreans to lose it so soon after the initial invasion and conquest of the South.