Jeobseon Self-Defence Navy

The Jeobseon Self-Defence Navy (접선 자기방어 해군, JSDN), also known as the Jeobseon Navy, is the space warfare service branch of the Jeobseon armed forces, responsible for the interstellar security and defence of Jeobseon. Established in 2045, the JSDN is the oldest branch of the Jeobseon armed forces.

Ships
Jeobseon has a fully indigenous shipbuilding industry and produces their own warships. They also purchase some warships from Yamatai.