The Ministry of Defence is a government department responsible for managing a country's military forces and ensuring national security. It oversees the armed services, including the army, navy, and air force, and coordinates defense policies and strategies. The ministry works to protect the nation from external threats and supports peacekeeping missions around the world. In many countries, the Minister of Defence is a key political figure who makes important decisions about military operations and budgets. The ministry also collaborates with international organizations like NATO to strengthen alliances and promote global stability.