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Updated June 3, 2024

Ukrainian Military Performance and Outlook

Since Russia launched its full-scale invasion of Ukraine in
February 2022, the Ukrainian Armed Forces (UAF) have
been increasingly challenged to defend against Russian
advances, given ongoing disadvantages in personnel and a
less developed defense industry. The UAF has
demonstrated flexibility over the course of the conflict to
date, as well as an ability to integrate Western security
assistance into its military campaigns. Nevertheless, the
UAF continues to face obstacles to sustaining momentum
against Russian forces, including personnel and equipment
losses. In March 2024 testimony before the Senate Select
Committee on Intelligence, Director of National
Intelligence Avril Haines assessed, Ukraine's retreat from
Avdiivka and their struggle to stave off further territorial
losses in the past few weeks have exposed the erosion of
Ukraine's military capabilities.
Since early 2022, the Biden Administration and Congress
have supported Ukraine's defense of its territorial integrity
against Russia's invasion. The UAF's evolving condition
and performance may be of interest to Congress as
Members consider U.S. support for the UAF.
Personnel
The UAF's overall performance to date has been bolstered,
in part, by high levels of recruitment and motivation. High
personnel losses, however, pose a continued challenge to
the UAF's ability to sustain effective operations.
After Russia's initial invasion of Ukraine in 2014, the UAF
gained important combat experience fighting Russian-led
forces in Ukraine's eastern regions of Donetsk and Luhansk
(known as the Donbas). In 2022, Ukraine was able to
quickly mobilize these veterans and other volunteers into a
new volunteer Territorial Defense Forces (TDF) and
Reserve without the need for lengthy training.
Since the beginning of the 2022 war, the UAF has suffered
high levels of casualties, lowering force quality. Losses are
likely higher among regular UAF and Special Forces units,
leading to a greater reliance on TDF and Reserve units.
Many of these TDF and Reserve units also have sustained
heavy casualties, further increasing the proportion of new
recruits needed to regenerate forces.
The UAF faces several challenges in deploying new
personnel. At the time of the invasion, Ukraine did not have
a fully developed professional noncommissioned officer
(NCO) corps, which it previously had been seeking to
develop along NATO standards. Due to the high number of
trained veterans, many with combat experience, there was
less of a need for an NCO corps to train new recruits.
Losses among these veterans have increased the importance
of developing a professional NCO corps.

The UAF's need for immediate reinforcements creates
pressure to deploy troops with only basic training.
However, the UAF also needs to train personnel to conduct
complex operations and operate advanced weaponry in
order to sustain combat operations.
Currently, the UAF is also experiencing recruiting
challenges. The reported average age of Ukrainian soldiers
is around 40 years old, and media reports document an
apparently increasing resistance among younger Ukrainians
to join the UAF. Ukraine passed legislation in April 2024 to
address some recruitment and rotation issues (including
allowing some prisoners to serve in exchange for a reduced
sentence), but Ukrainian officials have yet to implement
elements of the legislation, including ordering new
conscription or mobilization.
Additionally, the UAF reportedly struggles to train officers
for staff positions to assist commanders in managing and
coordinating operations. The lack of trained staff officers
has in some cases led to higher-level command staff
coordinating and managing tactical operations, leading to
centralized and slower decisionmaking.
Equipment
The UAF operates a mix of Western and Soviet or early
Russian equipment. This variety of systems complicates
maintenance and standardization. To date, the UAF has
sustained significant equipment losses, apparently leaving
some UAF units without mechanized or motorized vehicle
support. The UAF has exhibited resilience in the face of
such losses, in part due to Western security assistance and
concerted UAF maintenance efforts.
Ukraine has nearly exhausted its supplies of Soviet and
Russian artillery and rocket ammunition, making the UAF
almost entirely reliant on Western assistance for such
systems and ammunition. To date, the UAF has
demonstrated an ability to use the qualitative advantages
provided by Western security assistance (e.g., long-range
precision fires) to mitigate Russian quantitative advantages
in artillery. As of early 2024, however, UAF officials stated
that a shortage of Western artillery ammunition was
hampering operations and contributing to Russian advances
(such as capturing the Ukrainian town of Avdiivka).
Ukraine's domestic defense industry produces a wide
variety of weapons but has been unable to meet the
country's full wartime demands. In addition, Russian forces
continue to target Ukraine's domestic defense industry.
Ukraine's international partners have begun to take steps to
help Ukraine strengthen its defense industry capacity
(including through joint production agreements with
Western defense companies) to help Ukraine meet its long-

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