Donghae

The Donghae class was one of South Korea's early domestically built patrol combat corvette classes. It was developed for the Republic of Korea Navy during a period when the fleet needed affordable ships for coastal patrol, anti-infiltration work, and local sea control. The class helped South Korea build shipbuilding experience before later Pohang and larger combatant programs matured.

Donghae-class ships used a combined diesel-or-gas propulsion arrangement that gave high speed for a small displacement hull. Their armament focused on guns, sensors, and light anti-submarine capability rather than heavy missile warfare. That made them useful for patrol combat in Korean coastal waters, where speed and presence were often more important than long-range strike weapons.

The class is historically important as a foundation layer in South Korea's move from imported and smaller patrol craft toward locally produced combatants. Later Korean corvettes and frigates became more capable, but Donghae showed that domestic yards and the navy could field useful patrol combatants for local defense missions.