Question: Which of the following BEST describes the Operational Branch of the chain of command? Group of answer choices The Secretaries exercise control through the commanders of the service component commands assigned to combatant commands. It is used to employ forces and begins with the President, through the SecDef, and onto the combatant commanders. It is used to recruit, organize, train, and equip forces and begins with the President, through the SecDef and onto the Secretaries of the military departments.