The history of the Armed Forces of Ukraine is a journey from building the military of a newly independent state in 1991 to a force defending the country in a full-scale war, adopting new technologies, and reshaping its command structures to meet the demands of modern warfare. It is a story of difficult decisions, reforms, losses, adaptation, and the people who have defended Ukraine.
Ukrainian military traditions before 1991
Ukraine's military tradition long predates today's Armed Forces. Important chapters include the Cossack host, the armed formations of the Ukrainian People's Republic and the Ukrainian State in 1917-1921, and the Ukrainian liberation movement of the twentieth century. These formations operated in different historical circumstances, had different structures and political objectives, and should not be treated as one continuous military institution. They are, however, part of the broader history of Ukrainians' struggle for statehood.
The modern Armed Forces of Ukraine emerged in a different legal and political context, following Ukraine's declaration of independence and the dissolution of the Soviet Union. Their history as an institution of an independent state began in 1991.
1991: Creating the armed forces of an independent Ukraine
On 24 August 1991, Ukraine's parliament adopted the resolution “On Military Formations in Ukraine.” More on this period is available in the official historical overview of the history of the Armed Forces of Ukraine since 1991. The resolution provided for placing military formations stationed on Ukrainian territory under Ukrainian authority, establishing a Ministry of Defence, and beginning the creation of national armed forces. It was a key step in building the new state's security system.
Another decisive date was 6 December 1991. On that day, parliament adopted the laws “On the Armed Forces of Ukraine” and “On the Defence of Ukraine,” and approved the text of the Military Oath. Ukraine celebrates Armed Forces Day on 6 December.
Ukraine inherited substantial military resources from the former Soviet Union: personnel, military units, aircraft, armoured vehicles, artillery, air-defence systems, and military infrastructure. But possessing large quantities of equipment did not mean that the new state already had a fully formed, unified force ready for future challenges. Ukraine needed its own command institutions, a clear definition of the army's mission, personnel training, supply systems, and civilian oversight.
During the first years of independence, the size of the military and the amount of equipment were gradually reduced. International agreements, economic difficulties, and the threat assessments of the time all influenced these decisions. At the same time, the services of the Armed Forces and a national military education system were being developed.
The 1990s and 2000s: Building, downsizing, and searching for a model
The first decades of independence were a period of difficult choices. The state had inherited a large military but had limited resources to maintain and modernise it. Some equipment was cut or decommissioned, military units were reorganised, and personnel numbers fell. Modernisation and the development of new capabilities often lagged behind requirements.
Ukrainian service members also took part in international peacekeeping operations, gained experience working with partners, and participated in joint exercises. Military command, officer training, and recruitment systems evolved. However, by the beginning of 2014, the Armed Forces remained constrained by resources, and many issues involving modern equipment, readiness, and sustainment had not been fully resolved.
This period should not be reduced to a simple story of stagnation: the military did develop, but unevenly. Some professional expertise and institutional experience were preserved, while other capabilities needed rebuilding just as Ukraine faced open armed aggression.
2014-2021: War transforms the Ukrainian military
In 2014, Russia occupied Crimea and began its armed aggression in Donbas. For the Armed Forces of Ukraine, this meant a sudden shift from planning for defence to conducting real combat operations. Units had to restore combat readiness, mobilise personnel, form new formations, repair equipment, organise supplies, and provide medical support.
Service members, volunteers, volunteer organisations, medics, engineers, and support specialists all played crucial roles. Volunteer networks helped meet urgent needs, while public support became an important part of the military's resilience. At the same time, combat exposed systemic weaknesses in communications, command and control, reserve training, and unit sustainment.
Over the following years, the Armed Forces gradually changed their approaches to training, command, logistics, and cooperation between units. The role of the non-commissioned officer corps and combat experience grew, and training increasingly incorporated standards compatible with NATO practices. The Special Operations Forces developed, the Air Assault Forces were strengthened, and artillery, anti-tank capabilities, reconnaissance, and unmanned systems improved.
Cities and locations in Donetsk and Luhansk regions became key names in Ukraine's recent military history. Sloviansk, Kramatorsk, Donetsk Airport, Debaltseve, and other places are associated with battles and defensive operations whose lessons influenced the military's further development.
24 February 2022: The full-scale invasion
On 24 February 2022, Russia launched its full-scale invasion. Ukraine's military faced a massive threat on several fronts at once. In the first weeks, the ability of units to remain coordinated, move quickly, cooperate with other elements of the Defence Forces, and adapt to rapidly changing conditions was critical.
The defence of Kyiv, Chernihiv, Sumy, Kharkiv, Mykolaiv, and other cities involved the Armed Forces, National Guard, border guards, Security Service of Ukraine, intelligence organisations, Territorial Defence, local authorities, and civilians. Different components of the Defence Forces had different tasks, but their coordination was essential.
The full-scale war changed the scale of the military and the demands placed on training, sustainment, and command. The Armed Forces had to replenish personnel, repair equipment, learn to operate new weapons, integrate assistance from partners, and develop domestic technological solutions at the same time. The war became both a test of resilience and an accelerator of military change.
The modern structure of the Armed Forces of Ukraine
The Armed Forces of Ukraine are more than combat brigades on the front line. They are a complex system of command bodies, combat units, training institutions, logistics, medical services, communications, maintenance, and other organisations required to sustain prolonged operations. Their structure continues to evolve in response to the demands and lessons of war. An official overview is available on the page describing the structure of the Armed Forces of Ukraine.
General Staff
Plans defence, organises military command, and coordinates the employment of forces within its assigned responsibilities.
Ground Forces
The principal land-warfare component, including mechanised and tank units, artillery, army aviation, and other capabilities.
Air Force
Responsible for air defence, aviation, radar and surveillance capabilities, and other means of protecting Ukrainian airspace.
Navy
The maritime component of defence, including the Marine Corps, coastal defence, and other naval forces and assets.
Air Assault Forces
Mobile forces designed for assigned missions, including rapidly reinforcing important sectors.
Special Operations Forces
Specially trained units for missions requiring particular capabilities, preparation, and methods.
Territorial Defence Forces
A component of the Armed Forces that contributes to territorial defence and performs assigned tasks within Ukraine's national resistance system.
Unmanned Systems Forces
A separate branch of the Armed Forces developing the use of aerial, ground, and maritime unmanned and robotic systems.
Logistics Forces and Support Forces
Supply, maintenance, engineering, and other capabilities essential to the military's resilience and functioning.
Medical support, communications, and cyber defence
Medical care and evacuation, communications, protection of information systems, and other critical functions.
The Armed Forces also include command bodies, military educational institutions, units, and establishments that do not fit neatly into a single service or branch. This is a reader-friendly overview of the main components, not a complete establishment list.
Weapons and equipment: From Soviet legacy systems to a diverse modern arsenal
One of the biggest changes in recent years has been the range of weapons and equipment used by Ukraine's military. At independence, much of the arsenal consisted of systems inherited from the Soviet Union. After 2014, and especially after the full-scale invasion, that arsenal began to change rapidly through repairs and upgrades, Ukrainian development programmes, and military assistance from partners.
Ukraine's Air Force combines legacy aircraft with newer platforms, including F-16 fighters, and operates several types of air-defence systems. Western systems supplied by partners include Patriot, NASAMS, IRIS-T, and others. They have different capabilities and roles, and their effectiveness depends on integration into the wider air-defence network, available missiles and radars, trained crews, and proper maintenance.
On land, Ukrainian forces use a wide variety of tanks, infantry fighting vehicles, armoured personnel carriers, protected vehicles, engineering equipment, self-propelled and towed artillery, multiple-launch rocket systems, and mortars. Alongside Soviet-designed systems, the arsenal includes Western equipment such as Leopard and Abrams tanks; Bradley and CV90 infantry fighting vehicles; Stryker and Marder armoured vehicles; and artillery systems such as Caesar, PzH 2000, Krab, M777, and HIMARS. The equipment available changes over time, and the presence of a particular system in the Armed Forces does not mean that every unit uses it or that it is deployed on every front.
This diversity creates opportunities but also substantial challenges. Different systems require separate ammunition stocks, repair facilities, technical documentation, crew training, supply chains, and a steady flow of spare parts. Combat effectiveness therefore depends not only on the equipment received, but also on the ability to train personnel quickly, keep systems operational, and integrate them into coordinated operations.
Small arms, anti-tank weapons, electronic-warfare systems, counter-battery radars, communications, surveillance equipment, and engineering tools are also essential. Modern warfare requires these capabilities to work together: reconnaissance detects a target, command systems transmit information, weapons engage it, and logistics and maintenance make it possible to keep operating.
Drones: A technology that has changed the battlefield
Unmanned systems have become one of the most visible areas of transformation in modern warfare. They have not replaced infantry, artillery, aviation, or air defence, but they have changed how troops observe the battlefield, detect targets, adjust fire, transmit information, and carry out certain missions.
Reconnaissance drones help monitor terrain and relay information to units. FPV drones have become one means of precision attack. Fixed-wing unmanned aircraft can perform different missions and cover longer distances, while larger bomber drones can deliver munitions to designated areas. Maritime unmanned platforms and ground robotic systems are also developing and can be used for reconnaissance, logistics, or other dangerous tasks.
The effectiveness of an unmanned system depends on more than the aircraft or robot itself. Operator training, communications, navigation, resistance to electronic warfare, data analysis, repairs, component supply, and cooperation with other units all matter. A technological advantage emerges when these elements work as a system.
The development of drones has also shown the value of rapid feedback between the front line, engineers, manufacturers, and training centres. Designs and software can change quickly as new solutions are tested in real combat conditions. Technological adaptation is therefore an ongoing process rather than a one-time modernisation effort.
The Unmanned Systems Forces: A new stage in military development
In 2024, Ukraine began establishing the Unmanned Systems Forces as a separate branch within the Armed Forces. Their tasks and role are described on the official Ministry of Defence page about the Unmanned Systems Forces. The relevant decision of the National Security and Defence Council was enacted by Presidential Decree No. 382/2024 on 25 June 2024. This institutional step was intended to organise the development and use of unmanned and robotic platforms more systematically.
The Unmanned Systems Forces should not be understood as a force made up only of FPV drones. Their remit includes different types of unmanned aerial vehicles, ground robotic systems, and maritime surface and underwater systems. Unmanned technologies are also used elsewhere in the Armed Forces; establishing a separate branch does not mean that every drone belongs exclusively to it.
The significance of the Unmanned Systems Forces lies not only in operating equipment, but also in developing doctrine, training specialists, organising command, and scaling effective solutions. Unmanned systems have become a distinct military capability that needs dedicated development while remaining integrated with the wider force.
From brigades to corps: How military command is changing
Large-scale war places demanding requirements on command and control. As the number of units, the length of the front, and the intensity of combat increase, there must be a clear system of coordination between strategic planning and brigade-level action. One direction of organisational change has been the strengthening of the corps-level command structure.
A corps is a formation that can coordinate several brigades and other units within an assigned area of responsibility. Moving towards a corps-based system is intended to improve command of large groupings, resource allocation, and operational planning. Its real effectiveness depends not simply on names or formal structures, but on capable staffs, communications, logistics, sustainment, and a clear distribution of responsibilities.
Training, personnel management, digital systems, repairs, and equipment recovery are also evolving. Military capability is not created by weapons alone; it depends on people, command, training, information, material support, and technology working together.
Cities that have become part of Ukraine's military history
The history of the Armed Forces is inseparable from Ukraine's cities. Over the years, Sloviansk, Kramatorsk, Mariupol, Donetsk Airport, Debaltseve, Bakhmut, Avdiivka, Pokrovsk, and many other places have become names associated with distinct stages of the war. Behind each name are not only maps and reports, but also people, defence, evacuation, lost homes, and the experiences of soldiers and civilians.
Local memory makes it possible to speak about the war in concrete terms. A city's name may recall a place of service, comradeship, a difficult period, or people who remain there. These stories should be preserved with care and responsibility, without turning human loss into a marketing device.
Raccoon Merch City Collection
The Raccoon Merch City Collection is dedicated to Ukrainian cities and towns that have become part of the country's modern military history. These products carry a specific geographical and symbolic meaning for people who want to remember the places, people, and events that have shaped Ukraine's experience.
Explore the City Collection on the Raccoon Merch website.
The modern Ukrainian military
The Armed Forces of Ukraine continue to evolve under the pressure of war. They combine traditional combat capabilities with unmanned systems, digital tools, new approaches to reconnaissance and command, and experience gained through cooperation with international partners. Yet people remain the foundation of the military: combat troops, medics, communications specialists, mechanics, engineers, logisticians, instructors, and professionals across many other fields.
The history of the Armed Forces is still unfolding. Organisational decisions, weapons, and tactics continue to change, and the experience of the full-scale war will require long-term study. But the journey from the creation of an independent state's military in 1991 to today's force shows how closely defence capability is connected to state institutions, public support, technological development, and the ability to learn.
The memory of this journey is made up of major events and specific places. The history of Ukraine's military is also the history of cities, communities, and people who have become part of the country's defence.
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