combatant command (command authority) – (DOD) Nontransferable command authority, which cannot be delegated, of a combatant commander to perform those functions of command over assigned forces involving organizing and employing commands and forces; assigning tasks; designating objectives; and giving authoritative direction over all aspects of military operations, joint training, and logistics necessary to accomplish the missions assigned to the command. Also called COCOM. (JP 1) Referenced in ATP 3-27.5, ATP 3-34.84, ATP 3-50.10, ATP 3-52.2, ATP 4-43.