The Defense Committee, also known as the Ministry of Defense, served as the supervising body for the Republic Military, led by the Minister of Defense. This entity, along with its Minister, ceased to exist during the Ruusan Reformation.
Netus held the leadership position during the Great Sith War. In the era of the Mandalorian Wars, Koa Delko occupied the role of Minister, while Catronus Steffans functioned as the Director for Public Information. The Defense Ministry provided Admiral Saul Karath and his troops with intelligence suggesting an impending invasion of the Ottega system by Mandalorian forces. However, upon their arrival, the Mandalorian forces vanished, exposing a deception orchestrated by Zayne Carrick and Cassus Fett to enlist Karath's support for the Jedi in their victory over the Crucible.