Who serves as the Vice Chairman of the Joint Chiefs of Staff?

The Vice Chairman of the Joint Chiefs of Staff is a senior position within the U.S. military structure, specifically within the Joint Chiefs of Staff, which is comprised of the highest-ranking officers from each branch of the military. The Vice Chairman plays a crucial role in advising the President, the Secretary of Defense, and the National Security Council on military matters.

In this context, U.S. Navy Admiral Christopher Watson Grady holds the position of Vice Chairman of the Joint Chiefs of Staff, making him the correct answer. His extensive background and leadership within the Navy equip him for this high-level role, which involves both strategic planning and coordination among the various military branches.

While other individuals mentioned may hold or have held significant military roles, they do not currently serve in the position of Vice Chairman. This position is pivotal for the effective functioning of military strategy and operations at the highest levels of government, and Admiral Grady's appointment reflects his experience and contributions to the armed forces.