Armed Forces of Ukraine

The Armed Forces of Ukraine (AFU; Ukrainian: Збройні сили України, romanised: Zbroini syly Ukrainy, pronounced) are the military forces of Ukraine. They consist of the three branches: the Ground Forces, the Air Force and the Navy, and a number of separately organized forces and specialized support commands: the Air Assault Forces, the Marine Corps, the Special Operations Forces, the Unmanned Systems Forces, the Territorial Defence Forces, the Medical Forces, Support Forces, Logistics Forces and the Communications and Cybersecurity Troops. 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 4.9million, 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 programme 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 largestdefence 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.