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The Conflict PulseBriefing N° 01Region 01 / Ukraine–Russia
Ukraine–Russia FeedGlobal Risk · HighReading · 13 min
01Ukraine–RussiaHistorical BackgroundMay 6, 2026 / 13 min read

Ukraine’s War of Endurance russia’s Attrition Strategy and Europe’s Security Test

Background on the Ukraine–Russia war: Crimea, Donbas, Russia's 2022 invasion, occupied territories, drone warfare, Western support, and diplomacy.

Status
Snapshot
Situation snapshot as of May 2026
Primary
Ukraine, Russia
Secondary
Belarus, the Black Sea, NATO border states, global energy and agricultural markets
Conflict type
Interstate war, territorial annexation, hybrid warfare, war of attrition
Risk level
High
Updated
May 6, 2026
i.At a Glance — situational digest
A
Core conflict

A geopolitical, territorial, and ideological struggle stemming from Ukraine’s efforts to integrate with Western institutions and Russia’s attempt to maintain influence over its “near abroad.”

B
Recent trigger event

On February 24, 2022, Russia launched a full-scale invasion of Ukraine under the label of a “special military operation,” escalating a conflict that began in 2014.

C
Major reported outcome

The conflict has become a grinding war of attrition. As of early 2026, Russia occupies roughly 20% of Ukrainian territory, while Ukrainian forces occupy parts of Russia’s Kursk Oblast.

D
Humanitarian impact

The war has caused immense suffering, including nearly 56,000 civilian casualties, 3.7 million internally displaced persons, 5.9 million refugees, and 10.8 million people in need of humanitarian assistance.

E
Military situation

Russia maintains slow incremental advances in eastern Ukraine, while Ukraine conducts long-range drone strikes against Russian military, energy, and oil infrastructure.

F
Diplomatic status

Peace talks remain stalled. A highly anticipated August 2025 summit between U.S. President Donald Trump and Russian President Vladimir Putin in Alaska ended without a concrete deal.

G
Why it matters globally

The war has transformed European security, expanded NATO, disrupted food and energy markets, and accelerated a new era of drone warfare.

H
Strategic reading

The war is now a contest between Russia’s ability to absorb losses and Ukraine’s ability to keep external support, domestic morale, and technological adaptation alive.

I
Watch next

Whether Western aid remains predictable, whether Russia’s slow advances accelerate, and whether long-range strikes shift the cost calculus inside Russia.

I.

Europe’s War of Attrition Has Become a Test of Endurance

The Russo-Ukrainian war is now defined less by rapid territorial breakthroughs than by endurance: manpower, drones, ammunition, air defenses, infrastructure resilience, and political will.

Russia’s full-scale invasion in February 2022 failed to achieve a quick victory, but Moscow has adapted to a grinding war of attrition. Ukraine has survived through military adaptation, Western support, long-range drone strikes, and national mobilization, but remains under intense pressure.

The strategic question is whether Russia can outlast Ukraine and its partners, or whether Ukraine can keep enough military and economic support to deny Moscow a durable victory.

This conflict matters globally because it reshapes several systems:

  • European security: NATO has expanded, defense spending has risen, and the post-Cold War order has been broken.
  • Sovereignty norms: Russia’s annexation claims challenge the principle that borders cannot be changed by force.
  • Military innovation: Ukraine has become a laboratory for drones, electronic warfare, AI-assisted targeting, and long-range strikes.
  • Food and energy markets: Black Sea security, grain exports, fertilizer flows, and energy infrastructure remain exposed.
  • Nuclear signaling: Russian nuclear rhetoric keeps escalation management at the center of Western strategy.
II.

Historical Background

The modern conflict is rooted in the collapse of the Soviet Union in 1991, which left Ukraine as an independent state with significant strategic importance and, briefly, the world’s third-largest nuclear arsenal.

The Budapest Memorandum and Post-Soviet Era

In 1994, Ukraine agreed to surrender its nuclear weapons in exchange for the Budapest Memorandum.

Under the memorandum, Russia, the United States, and the United Kingdom committed to respecting Ukraine’s independence, sovereignty, and existing borders.

Over the next two decades, Ukraine increasingly sought closer ties with Western Europe. This conflicted with Russia’s goal of keeping Ukraine within its sphere of influence and integrating the region into Moscow-led structures such as the Eurasian Economic Union.

Euromaidan and the Annexation of Crimea

In late 2013, mass pro-European protests erupted in Kyiv after pro-Russian Ukrainian President Viktor Yanukovych suspended preparations for an EU Association Agreement.

The protests, known as Euromaidan or the Revolution of Dignity, culminated in Yanukovych’s ouster in February 2014.

Days later, unmarked Russian special forces, widely referred to as “little green men,” seized control of Crimea. Russia then annexed the peninsula following a widely condemned status referendum.

The War in the Donbas

After Crimea’s seizure, Russia covertly backed separatist uprisings in Ukraine’s eastern Donetsk and Luhansk regions.

These areas became known collectively as the Donbas.

Russian-backed separatists declared the creation of the:

  • Donetsk People’s Republic
  • Luhansk People’s Republic

The war in the Donbas killed more than 14,000 people and displaced around 1.5 million between 2014 and 2021.

III.

The Peace Process and the Minsk Agreements

Early diplomatic efforts to resolve the Donbas war centered on the Minsk Agreements.

Minsk I and Minsk II

Minsk I was signed in September 2014, followed by Minsk II in February 2015.

The agreements were negotiated by Russia, Ukraine, France, and Germany through the Normandy Format.

They aimed to establish:

  • A ceasefire
  • Withdrawal of heavy weapons
  • Prisoner exchanges
  • Constitutional reforms
  • Special status arrangements for parts of Donetsk and Luhansk
  • Restoration of Ukrainian control over its border

Why the Minsk Process Failed

The Minsk framework reduced the intensity of fighting but failed to produce a durable peace.

Key problems included:

  • Repeated ceasefire violations
  • Disputes over sequencing
  • Russia’s claim that it was a mediator rather than a party to the conflict
  • Ukraine’s concern that special status provisions could weaken sovereignty
  • Continued Russian military and political support for separatist forces

Analysts later argued that Minsk froze the conflict without resolving it.

For Russia, it helped preserve leverage over Ukraine. For Ukraine, it bought time to rebuild and modernize its armed forces.

In February 2022, shortly before launching the full-scale invasion, Russia recognized the independence of the Donetsk and Luhansk proxy entities. President Vladimir Putin declared that the Minsk agreements no longer existed.

IV.

Current Situation as of 2026

As of May 2026, the war is defined by a high-tech tactical stalemate, heavy attrition, long-range strikes, and deepening militarization of occupied territories.

The Military Front

Russian forces continue to hold the battlefield initiative in parts of eastern Ukraine.

Their operations are focused on grinding advances in the Donbas, often relying on costly infantry assaults, artillery pressure, glide bombs, drones, and incremental territorial gains.

In early 2026, Russia’s advance rate was reported to be historically slow, averaging roughly 5 to 10 square kilometers per day in some periods.

Ukraine, unable to match Russia’s manpower advantage directly, has relied heavily on asymmetric capabilities.

Ukrainian operations include:

  • Defensive warfare along the eastern front
  • Long-range drone attacks deep inside Russia
  • Strikes against oil refineries and energy infrastructure
  • Attacks on aviation hubs and defense plants
  • Cross-border operations, including continued presence in parts of Russia’s Kursk region

Ukraine’s long-range drone campaign has reportedly damaged military and oil infrastructure up to 1,400 kilometers from the border.

Occupied Territories

In Russian-occupied areas, authorities have expanded political, cultural, and administrative control.

Reported measures include:

  • Forced Russification
  • Imposition of Russian passports
  • Military-patriotic education
  • Suppression of Ukrainian identity
  • Deportation or forced transfer of Ukrainian children
  • Repression of pro-Ukrainian activity

Cities such as Mariupol and Enerhodar have become central examples of Russian attempts to integrate occupied territories into Moscow’s political and cultural system.

The Diplomatic Front

Diplomatic negotiations remain stalled.

Both sides hold baseline demands that are difficult to reconcile.

Ukraine demands:

  • Restoration of territorial integrity
  • Long-term security guarantees
  • Protection against future invasion
  • Accountability for war crimes
  • Continued military capacity

Russia demands:

  • Recognition of “new territorial realities”
  • Retention of occupied territories
  • Limits on Ukraine’s military
  • Restrictions on Ukraine’s NATO path
  • Reduction of Western military support

The 2025 Trump-Putin Alaska Summit

In August 2025, U.S. President Donald Trump and Russian President Vladimir Putin met in Anchorage, Alaska.

The high-profile summit ended without a concrete ceasefire agreement.

The Mar-a-Lago Talks

In December 2025, President Trump hosted Ukrainian President Volodymyr Zelenskyy at Mar-a-Lago.

Trump claimed negotiations were “90–95% complete,” but no final agreement emerged.

Ukraine continued to demand strong, multi-decade security guarantees, while Russia insisted on retaining occupied territories and limiting Ukraine’s military power.

U.S. and EU Support

Since 2022, Ukraine has received large-scale military, financial, and humanitarian support from the United States and the European Union.

Reported totals include approximately:

  • USD 188 billion from the United States
  • USD 197 billion from the European Union

Western support remains essential to Ukraine’s war effort, but political debates in the United States and Europe have made long-term funding less predictable.

V.

Impact

Humanitarian Impact

The humanitarian toll has been catastrophic.

Reported impacts include:

  • Nearly 56,000 civilian casualties
  • Millions displaced inside Ukraine
  • Millions registered as refugees abroad
  • Large-scale destruction of housing and infrastructure
  • Repeated attacks on energy facilities
  • Severe psychological trauma among civilians and soldiers
  • Widespread contamination from mines and unexploded ordnance
  • Long-term disruption to education, healthcare, and local governance

By 2026, more than 3.7 million Ukrainians remained internally displaced, while around 5.9 million were registered as refugees globally.

Approximately 10.8 million people were reported to need humanitarian assistance.

Investigations have also documented alleged war crimes, including:

  • Summary executions
  • Torture chambers
  • Forced disappearances
  • Systemic sexual violence
  • Attacks on civilian infrastructure
  • Forced transfer and deportation of Ukrainian children

Economic Impact

The war has devastated Ukraine’s economy and infrastructure.

Major effects include:

  • Destruction of power grids
  • Damage to housing, roads, bridges, railways, schools, hospitals, and industrial facilities
  • Reduced agricultural production and exports
  • Disruption of Black Sea shipping
  • Huge reconstruction costs
  • Long-term loss of labor force through death, injury, displacement, and migration

Russian strikes on Ukraine’s power grid have repeatedly left civilians without electricity, heating, or water.

Ukraine’s agricultural sector, once central to global grain supply, has been heavily damaged by occupation, mined farmland, port disruption, and attacks on export infrastructure.

Russia has also faced major economic consequences.

Despite Western sanctions, Russia has sustained its war effort by shifting toward a wartime economy and redirecting energy exports toward Asian markets.

However, Ukrainian long-range strikes on Russian oil refineries and energy infrastructure have created serious pressure on Russia’s fuel and export capacity.

Geopolitical Impact

The war has permanently altered European and global security.

Major geopolitical effects include:

  • NATO expansion through Finland and Sweden
  • Increased European defense spending
  • Deeper Russia-China strategic alignment
  • Expanded Russian military ties with Iran and North Korea
  • Renewed debate over nuclear deterrence and escalation
  • Greater Western dependence on arms production and stockpile replenishment
  • Intensified global competition over energy, food, and critical resources

The war has also shaped politics across the Global South.

Food price shocks, fertilizer shortages, energy volatility, and diplomatic pressure have affected states far from the battlefield.

For many governments, the war is not only a European crisis. It is a test of whether global power politics will be governed by sovereignty norms or coercive territorial conquest.

VI.

Why This Conflict Matters

The Russo-Ukrainian War is not only a regional war.

It is a global crisis involving:

  • Sovereignty
  • Territorial conquest
  • Nuclear deterrence
  • NATO expansion
  • Drone warfare
  • Cyber operations
  • Food security
  • Energy markets
  • War crimes accountability
  • Democratic resilience
  • Autocratic revisionism
  • The future of European security

The central danger is that neither side currently sees a settlement as acceptable on the other’s terms.

Ukraine cannot accept the permanent loss of occupied territories without undermining its sovereignty. Russia cannot easily retreat without admitting strategic failure.

That makes the war structurally prone to prolonged attrition.

The outcome will shape how states interpret military conquest, deterrence, alliances, and technological warfare in the 21st century.

VII.

Timeline of key events

1991
1991The Soviet Union collapses; Ukraine declares independence.
1994
1994The Budapest Memorandum is signed; Ukraine relinquishes its nuclear arsenal in exchange for security assurances.
2013
LateEuromaidan protests begin after President Viktor Yanukovych suspends preparations for an EU Association Agreement.
2014
FebruaryThe Euromaidan revolution ousts Yanukovych.
February–MarchRussian forces covertly occupy and annex Crimea.
AprilRussian-backed armed separatists seize territory in the Donbas, igniting a regional war.
SeptemberMinsk I is signed.
2015
FebruaryMinsk II is signed, reducing but failing to resolve the Donbas conflict.
2022
February 21Russia recognizes the Donetsk and Luhansk proxy entities as independent.
February 24Russia launches a full-scale invasion of Ukraine.
LateUkrainian counteroffensives liberate significant territory in Kharkiv and Kherson regions.
2024
AugustUkraine launches a surprise cross-border incursion into Russia’s Kursk Oblast.
2025
AugustThe Trump-Putin summit in Alaska fails to produce a peace agreement.
DecemberTrump and Zelenskyy meet at Mar-a-Lago amid renewed diplomatic efforts.
2026
MayThe war continues as a grinding conflict of attrition marked by drone warfare, infrastructure strikes, and stalled diplomacy.
VIII.

Sources & further reading

Editorial Note

This briefing is based on publicly available historical context, demographic reports, humanitarian monitoring, and think tank analysis up to May 2026. The Conflict Pulse relies on aggregated materials to provide a structured overview and does not claim direct eyewitness reporting from the conflict zone. Readers should consult the cited primary documents for comprehensive datasets, legal interpretations, and source-specific framing.

The Conflict Pulse EditorialCompiled 06 · 05 · 2026