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Third level of the US National Level Command Structure, primarily assists the Chairman of the Joint Chiefs of Staff (CJCS) in carrying out responsibilities as the principal military advisor to the President and Secretary of Defense. Operations develops and provides guidance to the Combatant Commanders; relays communications between the President, Secretary of Defense, Combatant Commanders regarding current operations and plans.[1]


  1. ^ "Joint Chiefs of Staff". Retrieved 2017-04-01.