Armed Forces of Ukraine
The Armed Forces of Ukraine (Ukrainian: Збройні сили України, romanized: Zbroini syly Ukrainy, pronounced [ˈzbrɔjn⁽ʲ⁾i ˈsɪlɪ ʊkrɐˈjinɪ]) (AFU) are the military forces responsible for the defence of Ukraine and its national interests. They consist of the Ground Forces, the Air Force, the Navy, the Air Assault Forces, the Marine Corps, the Special Operations Forces, the Unmanned Systems Forces, and the Territorial Defense Forces. Ukraine's navy includes its own Naval Aviation, and the National Guard serves as a paramilitary reserve component of the Armed Forces. With a total strength of 4,900,000, the AFU is the fifth largest armed force in the world.
Military units of other countries have participated regularly in multinational military exercises in Ukraine, with many of these exercises being held under the NATO cooperation program Partnership for Peace. Due to the ongoing Russo-Ukrainian War, the Ukrainian Armed Forces has been described as "the most battle-hardened in Europe".
According to the IISS, the AFU had the world's eighth largest 14th largest defence budget in 2025. It operates one of the largest and most diverse drone fleets in the world. Its Soviet era military equipment is currently being replaced with NATO standard military equipment.