Interstate war

Profile

Ukraine–Russia

An interstate war reshaping European security.

Eastern Europe Interstate war Published

Published
Standing baseline
2026-07
Coverage reviewed
2026-10-18

Weekly review / event-driven updates

EnergySanctionsMaritimeDisplacementForeign intervention

Parties3 groups, and what each one means
  • Kyiv-alignedThe Ukrainian state and the coalition arming, funding and supplying it. Colour marks the camp, not endorsement.
  • Moscow-alignedThe Russian state and the outside powers providing it munitions, manpower or an economic lifeline.
  • HedgingEngaged with the war's economics or diplomacy but committed to neither camp; leans one way without joining it.

Odesa Commercial Sea Port, 3 September 2017. Container gantries, general-cargo cranes and grain silos on the quays through which most Ukrainian seaborne export moves. The frame predates the 2022 invasion and everything the grain-corridor arrangements later did to this port.George Chernilevsky · public domainImage: A working sea port seen across open water: container gantry cranes, tall general-cargo cranes and cylindrical grain silos ranged along a quay.

Current state

Where this conflict stands

Graded per item · As of 2026-07

The largest interstate war in Europe since 1945, now an attritional contest of industrial capacity, manpower, and political endurance. Its outcome will set the price of territorial aggression for a generation — which is why capitals far from Kyiv treat it as a referendum on their own security.

Read the full assessment

Feb 2022
Full-scale invasion
As of 2022-02 high Established historical record
~18%
UA territory occupied (approx.)
As of 2026-07 moderate DeepState live map
6.8M+
Refugees abroad (UNHCR est.)
As of 2026-06 high UNHCR Ukraine situation data
~1,000 km
Active front (illustrative)
As of 2026-07 low ISW campaign assessments
Backgroundwhy this matters, and the conflict in 6 points

Why it matters

This is the war that decides whether borders in Europe can be changed by force, and every capital that has ever relied on that assumption is answering the question with its budget. It has also become the reference case for how modern industrial war is actually fought — drone saturation, deep strike against infrastructure, ammunition production as a strategic variable — which is why states with no stake in Ukraine study it as a preview of their own contingencies.

The conflict in five minutes

6 points, composed from this conflict’s own sourced records — nothing here is a new claim.

The war began in 2014, not 2022

Russia annexed Crimea and backed a war in the Donbas after the Euromaidan protests removed a pro-Moscow president. The February 2022 full-scale invasion escalated a conflict that was already eight years old, which is why both sides entered it with fixed positions rather than open ones.

The opening plan failed, and that set everything after it

Russia's attempt to take Kyiv in days collapsed within weeks. What followed was not the war either side planned for: a long attritional contest across a roughly thousand-kilometre front, fought for ground measured in villages.

It is now decided by production as much as by manoeuvre

Artillery ammunition, drones, interceptors and trained infantry are the binding constraints on both sides. European rearmament, Russian defence output and North Korean shell supply are front-line variables, not background economics.

Drones changed what the front is

Cheap reconnaissance and strike drones on both sides made the approaches to the line dangerous for anything that moves. That is the main reason offensives on both sides advance slowly and at high cost.

The war is fought far behind the front as well

Russia strikes Ukraine's electricity grid seasonally; Ukraine strikes Russian refineries, airbases and the Black Sea Fleet. Both campaigns aim at the other side's capacity to sustain the war rather than at its army.

Outside support is a variable, not a constant

Western weapons, money and intelligence, and Russian access to Iranian designs, North Korean shells and Chinese components, all move with politics elsewhere. A six-month interruption in US aid in 2023–24 showed up on the front within weeks.

The system, as analytical objects What Vigil assesses about Ukraine–Russia, as 7 selectable objects. Each carries its own claims, registers, grades and dates, and each opens as itself in Explore — not as a section index.Open Ukraine–Russia in Explore

Stated · Vigil assessment

Objectives

What the 6 actors this module authors a posture for are trying to achieve — stated positions and Vigil’s assessments, kept apart. Every other party appears under Profiles without one.

Graded per item As of 2026-09

Vigil assessment

Constraints

What limits those options. A constraint is a structural limit, not a risk rating.

Graded per constraint As of 2026-09

Vigil assessment · Observed

Trajectory

The module’s current phase — The drone-saturated long war (2025 – present) — and the newest dated review.

Object assessment · Moderate confidence As of 2026-10-18

Vigil assessment

External relationships

The standing arrangements this module authors between its parties. Each line is the record’s own signature; the analysis, dates and sources are on the record.

Graded per item As of 2026-10

Observed

What matters now

The standing questions Vigil is following on this module, each with what its latest review found. The evidence that would change the assessment is on the question.

As of 2026-10-18

Vigil assessment · Observed

Economy

8 exposure channels and 7 watch items, as of 2026-08.

Graded per item As of 2026-08

Vigil assessment · Observed

Humanitarian

7 dated figures at regional granularity, each with its own basis, as of 2026-07. No operational detail is published.

Graded per item As of 2026-07

Latest The newest published work on this area. Coverage reviewed 2026-10-18.Every dated review

Weekly Brief2026-10-18

Ukraine–Russia developments — 18 October 2026

4 developments · 9 watch items reviewed2026-10-11 → 2026-10-17

Washington set aside the statutory half of its Russia pressure a week after relaxing the licence half. On 16 October an executive order wrote the sanctions act's tariffs into force and waived them in the same text, with most of the act's sanctions sections and no expiry date, two days before the buyer tariff's trigger date; sanctions under the earlier executive orders stand. The "energy ceasefire" the US president announced on 11 October never acquired terms: the Kremlin asked publicly whether it had been specified, Russia struck Ukraine's grid on 13–14 and 16–17 October, and Ukraine ended its own refinery pause on 15 October with a strike at Ryazan. Ukraine's drone defence lost speed when its military satellite terminals were capped, and at the EU summit three governments said they would not join a further €70 billion package for 2027. No ceasefire, negotiating text or interceptor quantity was produced.

Territorial Defence Forces of Ukraine / mil.gov.ua · CC BY 4.0
Image: Close view from behind of a soldier in pixelated camouflage holding a handheld drone controller with two antennas and a screen, a hard carrying case open on the grass beside him and water in the background.
Analytical Note2026-09-14

Ukraine's drone expertise as foreign policy: what Mali adds, and what it does not

Confidence: Moderate

Kyiv has turned four years of drone war into an instrument it announces in the Gulf and will not confirm in the Sahel. The fifteen specialists reported in northern Mali are that instrument's least visible case, not its largest.

Theatre map Interactive · approximate · as of 2026-07. Every marker here is a record, and the same markers are selectable in Explore's geography mode with the record open beside them.Open the map in Explore

Changed in brief — 2026-10-18 · Map updated

Approximate control zones
Loading map…
Interactive map — tiles © OpenStreetMap contributors, © CARTO. Markers show broad, publicly documented locations; sensitive sites are generalized to area level. Zone fills, where shown, are broad and approximate context with their own dates and confidence — never precise boundaries. The map does not show current deployments, activity or operational readiness, and is not suitable for operational use. Status is dated and contextual — see the methodology.
Approximate control zones: broad · approximate · as of 2026-07 · Confidence: graded per zone — note: the illustrative front line is drawn as of 2025-12, older than the zone layer
Front line: illustrative · strategic theatre shape only, not a control line — geometry unchanged since 2025 and not a current tactical position · as of 2025-12 · Confidence: Low · ISW campaign assessments
Zone legend — Approximate control zones

Control zones are broad, approximate and contextual. They do not show live unit positions, tactical boundaries, or operational readiness.

  • Ukrainian-administered territory — Territory administered by the government in Kyiv. As of 2026-07 · Confidence: Moderate.
  • Russian-occupied territory — Mainland territory under Russian occupation since 2022. As of 2026-07 · Confidence: Moderate.
  • Crimea — long-term occupied — Occupied and administered by Russia since 2014. As of 2026-07 · Confidence: High.
  • Contested / active front belt — Broad belt of active fighting — control inside is local and shifting. As of 2026-07 · Confidence: Low.

Watch 9 standing questions on Ukraine–Russia — 6 moved in the current review window, last reviewed 2026-10-18.All 9 Watch questions

  1. Can repair and imports outpace the strike campaign before winter?— Movement observed, reviewed 2026-10-18
  2. Does any strike restraint outlast the visit that produced it?— Movement observed, reviewed 2026-10-18
  3. Does interceptor supply reach Ukraine faster than it is consumed?— Movement observed, reviewed 2026-10-18
  4. Does striking the shadow fleet actually move Russian export volumes?— Movement observed, reviewed 2026-10-18
1 local entryrecord-specific tests on the module’s standing watch list
  • Is Russia's war economy strained enough to change policy?

    Interest rates, labour shortages, National Wealth Fund drawdowns, and the gap between crude revenue and refined-product availability. The war is affordable for Moscow until suddenly it is not, and the indicators will move before the policy does.

Evidence and review status

Coverage reviewed
2026-10-18— the date of this area’s most recent dated Weekly Brief. It records a review of the area as a whole, not a revalidation of every underlying record; each record carries its own date.
Standing baseline
2026-07 — the date this conflict’s standing geographic and situational claims are drawn to. Individual records, figures and events carry their own dates.
Review cadence
Weekly review / event-driven updates — quiet weeks are published as quiet reviews rather than as silence.

Scope of this coverage. This is interstate-war coverage, not a live battlefield tracker: it explains the war through maps, events, actors, force structures, economy and humanitarian impact, and it does not map current tactical positions. It is Vigil's most developed coverage, organised across six linked arenas.

Found an error in Ukraine–Russia coverage? Corrections are logged in public with the date and what changed — see the corrections log.