Liberal Dictionary English Dictionary
noun U.S. Military.
- the chiefs of staff of the army and the air force, the commandant of the marine corps, and the chief of naval operations, together with a chairman selected from one of the branches of the armed forces, serving as the principal military advisory body to the president, the National Security Council, and the secretary of defense.
A high-level military advisory board in the Department of Defense, composed of high-ranking representatives of the army, navy, air force, and marines. The Joint Chiefs are responsible for formulating military policy and recommending action regarding issues of national security and international relations.