Belarus Starts Nuclear Drills With Russia Amid Kyiv Warnings

Belarus announced on May 18, 2026 that its armed forces would conduct snap nuclear exercises alongside Russian forces, involving Belarusian missile units and...

What Happened

Belarus announced on May 18, 2026 that its armed forces would conduct snap nuclear exercises alongside Russian forces, involving Belarusian missile units and warplanes configured for nuclear weapon delivery.
The drills involve Iskander short-range ballistic missile systems and Su-25 fighter jets practicing the use and delivery of nuclear weapons in "unprepared locations" across Belarusian territory.
These exercises follow Russia's deployment of tactical nuclear weapons to Belarus in 2023 — the first time Moscow stationed nuclear arms outside Russian borders since the Soviet Union's collapse.
Ukraine reinforced its northern border amid concerns that Russia may be preparing offensive operations from Belarusian territory, while condemning the drills as "an unprecedented challenge to the global security architecture."
NATO issued a warning that any use of nuclear weapons by Russia would result in a "devastating" response, without specifying the nature of that response.
Belarus dismissed international concerns, characterising the exercises as a routine defensive measure and a legitimate sovereign military activity.

Static Topic Bridges

Nuclear Non-Proliferation Treaty (NPT)

The NPT, opened for signature in 1968 and in force since 1970, is the cornerstone of the global nuclear non-proliferation regime. It rests on three pillars: non-proliferation, disarmament, and the peaceful use of nuclear energy.

Pillar 1 (Non-proliferation): Non-nuclear weapon states (NNWS) commit not to acquire nuclear weapons; nuclear weapon states (NWS — US, Russia, UK, France, China) commit not to transfer weapons to NNWS.
Pillar 2 (Disarmament): Article VI requires all parties to "pursue negotiations in good faith" toward nuclear disarmament — the most contested pillar, with NWS frequently accused of non-compliance.
Pillar 3 (Peaceful use): All states may develop nuclear energy for civilian purposes under IAEA safeguards.
India, Pakistan, and Israel have never signed the NPT; North Korea withdrew in 2003. India considers the NPT discriminatory as it permanently enshrines nuclear privilege for five states.
Ukraine's condemnation of the Belarus drills as a PHEIC-level violation of the NPT stems from the NPT's prohibition on nuclear weapon states transferring weapons to non-nuclear weapon states (Belarus was a NNWS after surrendering Soviet-era weapons under the 1994 Budapest Memorandum).

Connection to this news: Russia's stationing of tactical nuclear weapons in Belarus and joint drills challenge a core NPT norm — that NWS will not transfer operational nuclear weapons capability to third states. This also undermines the Budapest Memorandum under which Belarus gave up nuclear weapons in exchange for security assurances from the US, UK, and Russia.

Russia-Belarus Union State

The Union State of Russia and Belarus was established by the Treaty on the Creation of a Union State signed on December 8, 1999. It envisages deep integration between the two countries, including shared defence arrangements.

The Union State was intended to create a single political, economic, and military space with common institutions, currency, and defence; however, full integration has never materialised, partly because it threatened the political autonomy of both leaders.
Russia invokes the Union State treaty to justify stationing military assets, including nuclear weapons, on Belarusian territory — arguing it is not a "transfer" to a third country but a deployment within a shared defence space.
In May 2023, Russia and Belarus signed documents formally agreeing to place Russian tactical nuclear weapons on Belarusian soil, with Russia retaining operational control.
This is the first time Russia has stationed nuclear weapons outside its borders since the early 1990s.

Connection to this news: Russia's legal justification for the nuclear deployment and joint drills relies heavily on the Union State framework, which gives the arrangement a veneer of intra-allied legitimacy even as it alarms NATO and violates the spirit of the Budapest Memorandum.

Tactical Nuclear Weapons and Extended Deterrence

Tactical (or non-strategic) nuclear weapons are shorter-range, lower-yield nuclear arms designed for battlefield use, distinct from strategic weapons aimed at cities or industrial centres.

Iskander-M: Russia's short-range ballistic missile system (range ~500 km), capable of carrying both conventional and nuclear warheads; deployed in Kaliningrad and now Belarus.
Extended deterrence: A nuclear-armed state's commitment to use nuclear weapons in defence of allied states — the same logic as NATO's nuclear sharing arrangements involving US B61 gravity bombs based in Europe.
Russia's move mirrors NATO's own extended deterrence architecture, which Moscow has long described as provocative.
The Budapest Memorandum (1994): Under this, Ukraine, Belarus, and Kazakhstan transferred Soviet-era nuclear weapons to Russia in exchange for security assurances from the US, UK, and Russia — assurances widely seen as violated by Russia's 2022 invasion of Ukraine.

Connection to this news: The joint drills represent the operationalisation of Russia's extended deterrence towards Belarus — a direct counter-narrative to NATO's eastern flank expansion and a signal of escalation risk that India must monitor for its energy, trade, and diplomatic positioning.

India's Position on Nuclear Weapons and Doctrine

India is not a signatory to the NPT and maintains an independent nuclear doctrine based on "No First Use" (NFU) and "credible minimum deterrence."

India's NFU doctrine: India commits not to use nuclear weapons first; however, it reserves the right to massive nuclear retaliation if attacked with nuclear, biological, or chemical weapons.
India's nuclear doctrine was formalised in 2003 by the Cabinet Committee on Security (CCS).
India has consistently called for universal, non-discriminatory nuclear disarmament and a Comprehensive Nuclear-Test-Ban Treaty (CTBT) — while refusing to sign the NPT it considers discriminatory.
The Nuclear Suppliers Group (NSG): India gained a special waiver in 2008 allowing civilian nuclear trade despite being a non-NPT signatory.

Connection to this news: The Belarus-Russia nuclear posturing reinforces the global relevance of nuclear doctrine debates. India's balanced stance — maintaining its own deterrent while calling for global disarmament — shapes its diplomatic response to such escalations.

Key Facts & Data

Belarus-Russia Union State Treaty signed: December 8, 1999.
Russia began deploying tactical nuclear weapons in Belarus: June 2023 (agreement signed May 2023).
Iskander-M range: approximately 500 km; classified as a short-range ballistic missile under the now-defunct INF Treaty.
Budapest Memorandum (1994): Ukraine, Belarus, Kazakhstan transferred ~3,000 Soviet nuclear warheads to Russia in exchange for security guarantees.
NPT in force since: March 5, 1970; 191 states parties.
India's NFU doctrine formalised: January 2003.
NATO Article 5 — collective defence clause — has been invoked formally only once: after the September 11, 2001 attacks.
Su-25 aircraft used in the drills are ground-attack jets capable of delivering nuclear gravity bombs under Russia's dual-capable aircraft doctrine.