In Serbia, the Serbian military is responsible for defense and deterrence against external threats, supporting international peacekeeping operations, and providing support to civil authorities for internal security; specific threat concerns of the military include extremism, separatism, and deepening international recognition of Kosovo; Serbia has cooperated with NATO since 2006, when it joined the Partnership for Peace program, and the military trains with NATO countries, particularly other Balkan states; Serbia has participated in EU peacekeeping missions, as well as missions under the Organization for Security and Cooperation in Europe and the UN; it also maintains close security ties with Russia and has a growing security relationship with China

the modern Serbian military was established in 2006 but traces its origins back through World War II, World War I, the Balkan Wars of 1912-1913, and the Bulgarian-Serb War of 1885 to the First (1804-1813) and Second (1815-1817) Uprisings against the Ottoman Empire (2023)