# Combatant Command **Aliases:** COCOM **Entity class:** Joint military command institution ## Definition A **combatant command** is a joint U.S. military command established by the President, with forces from two or more military departments and a broad continuing mission. Geographic and functional combatant commanders exercise authority assigned through the constitutional and statutory chain of command. ## Relationships - **command chain:** [[wiki/President of the United States|President]] and [[wiki/Secretary of Defense|Secretary of Defense]]. - **supported by:** [[wiki/Joint Staff|Joint Staff]]. - **digital architecture:** [[wiki/CJADC2|CJADC2]], [[wiki/Open DAGIR|Open DAGIR]], [[wiki/Joint Warfighting Cloud Capability|JWCC]]. - **examples:** [[wiki/United States Northern Command|USNORTHCOM]] and [[wiki/United States Southern Command|USSOUTHCOM]]. ## Sources / Provenance - [DoD — Unified Combatant Commands](https://www.defense.gov/About/Combatant-Commands/)