Who are the six members of the Joint Chiefs of Staff what is their role in defense policy?

The Joint Chiefs of Staff (JCS) consists of the Chairman, Vice Chairman, and the heads of the Army, Navy, Air Force, Marine Corps, and the Chief of the National Guard Bureau. Their primary role is to advise the President, Secretary of Defense, and other senior military leaders on defense policy, military strategy, and operational planning. They facilitate coordination among the different branches of the military and help ensure unified efforts in national defense. Additionally, they play a crucial role in representing their respective service branches in discussions about resource allocation and military readiness.