The Chief of Defense Staff (CDS) is the highest-ranking military officer in a country's armed forces. This position is responsible for overseeing the operations and administration of the military, ensuring that all branches, such as the Army, Navy, and Air Force, work together effectively. The CDS often advises the government on defense matters and plays a crucial role in shaping military policy. In many countries, the CDS is appointed by the head of state or government and serves as a key liaison between the military and civilian leadership. The role may also involve representing the military in international forums and collaborating with other nations' defense leaders, enhancing global security and cooperation.