Thank you for the citation (citations are not limited to documents, but often and especially in a large document of hundreds of pages, direct one to specific passages, as you did did here).

Your citation is exactly the bit that makes the President immune for directing Seal Team 6 to execute a political rival -- directing the military is within the President's "conclusive and preclusive constitutional authority". According to the Supreme Court, such a direction is now "absolute immunity from criminal prosecution".