The Tri-Command integrates and employs Combined Joint All-Domain (CJAD) combat power in order to deter aggression and if necessary, defend the Republic of Korea against any adversary or threat to achieve peace through strength in Northeast Asia.

The Combined Joint Force (CJF) will enforce the terms of the armistice agreement, coordinate member state contributions, and execute assigned functions in the region as directed to maintain or restore security, freedom, and prosperity on the Korean Peninsula.

The CJF will operate in all domains to defend the homeland(s), reestablish deterrence, protect national interests throughout the INDO-PACIFIC, and enhance alliances and partnerships.