How many times do we have to say they have no executive authority?

Today, the Joint Chiefs of Staff have no executive authority to command combatant forces. The issue of executive authority was clearly resolved by the Goldwater-Nichols DOD Reorganization Act of 1986: "The Secretaries of the Military Departments shall assign all forces under their jurisdiction to unified and specified combatant commands to perform missions assigned to those commands..."; the chain of command "runs from the President to the Secretary of Defense; and from the Secretary of Defense to the commander of the combatant command.