Jeobseon Self-Defence Army

The Jeobseon Self-Defence Army (접선 자기방어 육군, JSDA) is the primary terrestrial armed force of Jeobseon. Primarily tasked with defending Jeobseon's planets and people on the ground, the JSDA also joins the Yamatai Imperial Army in carrying out exploration on distant worlds.

Jeobseon Self-Defence Army Ground Force
The JSDA Ground Force comprises the bulk of the JSDA. It is tasked with all land-based activities of the JSDA.