Munitions

9M730 Burevestnik

Also known as
  • Burevestnik
  • SSC-X-9 Skyfall
  • Skyfall
  • KY-30
  • 9M730

The 9M730 Burevestnik is a Russian nuclear-powered, nuclear-capable cruise missile intended for very long-range, low-altitude flight that could route around missile-defense coverage. Russia claimed a 14,000 km, 15-hour test in October 2025, but open-source analysts still treat the missile's propulsion details, safety record, basing concept, and operational fielding as uncertain.

Role in Conflicts

Role in conflict
Strategic nuclear signaling and missile-defense evasion

Russia has not publicly documented Burevestnik combat use in a specific war; the system is tracked here for its source-backed strategic nuclear signaling, test activity, and intended role as a long-range cruise missile outside normal treaty categories.

Profile / Specs

Profile

Origin
Russia
Type
Nuclear-powered nuclear-capable cruise missile
Service note
Development publicized from 2018; Russian officials claimed a major test in 2025
Designer
Russian defense industry and nuclear propulsion research organizations
Designed
Development reported from the early 2010s; publicly unveiled by Russia in 2018
Unit cost
Not publicly disclosed
Produced
Prototype testing reported since 2016; serial production and operational deployment not publicly confirmed
Number built
Not publicly disclosed

Specifications

Class
Ground-launched strategic cruise missile
Propulsion
Nuclear-powered cruise missile concept using a small reactor as a sustained power source
Warhead
Nuclear-capable; Russian and Western sources describe the system as a nuclear delivery vehicle
Range
Russia claims near-unlimited range; public independent performance data remains unavailable
Flight profile
Intended low-altitude, maneuvering cruise flight to complicate missile-defense planning
Estimated dimensions
MIT open-source modeling estimates about 9.5 m length and 5.6 m wingspan, not official published dimensions
Likely engine cycle
MIT modeling assesses a direct-cycle nuclear turbojet as more likely than a nuclear ramjet, while noting limited public design evidence
Reported 2025 test
Russian officials said a test flight lasted about 15 hours and covered more than 14,000 km
Development status
Advanced testing claimed by Russia, with Western analysts noting past failures, unconfirmed fielding, and unresolved safety questions
Probable basing
U.S. researchers identified a possible deployment site near Vologda-20/Chebsara in 2024; Russian officials did not confirm the assessment
Launcher compatibility
A TASS report quoted an expert saying the missile can be adapted for existing Iskander and Oreshnik launchers; the claim is not independently verified
Arms-control status
CSIS notes the system would not fall under New START's existing delivery-vehicle definitions if nuclear powered or nuclear armed
NATO reporting name
SSC-X-9 Skyfall
Variants
  • SSC-X-9 Skyfall NATO reporting name
Launch Platforms

Russian state-media reporting said Burevestnik could be adapted for existing Iskander launchers, making launcher compatibility part of the missile's open-source record but not a confirmed technical baseline.

LauncherLauncher typeLaunch evidence
9K720 Iskander, Road-mobile tactical ballistic and cruise missile system, Artillery9K720 IskanderMissile launcher system

TASS quoted a Russian military expert saying Iskander launchers could be rapidly upgraded to fire Burevestnik.

Sources: Burevestnik Missile Compatible with Iskander, Oreshnik Launchers

Timeline

9M730 Burevestnik Key Events

  1. U.S. intelligence reportedly detects KY-30 testing

    PISM reports that U.S. intelligence first detected the program around 2016 at Kapustin Yar under the KY-30 designation, before later NATO use of SSC-X-9 Skyfall.

    Sources: Military Application of Nuclear Propulsion: Russian 9M730/SSC-X-9 Cruise Missile Project

  2. Putin publicly unveils the missile

    Russia presented Burevestnik as one of several new strategic systems, describing it as a nuclear-powered cruise missile intended to complicate U.S. missile-defense planning.

    Sources: Military Application of Nuclear Propulsion: Russian 9M730/SSC-X-9 Cruise Missile Project, Russia's Nuclear-Powered Burevestnik Missile

  3. Novator-linked display follows crash reports

    PISM notes that Russia showed at least four 9M730 missiles or mock-ups at a Novator-associated facility after Western reporting on a prototype crash and Barents Sea recovery effort.

    Sources: Military Application of Nuclear Propulsion: Russian 9M730/SSC-X-9 Cruise Missile Project

  4. Kapustin Yar test assessed as partial success

    CSIS Missile Threat reported that Russia conducted what U.S. intelligence sources described as the 13th Burevestnik test, with the missile still in development and only partially successful.

    Sources: Russia Tests Nuclear-Powered Burevestnik Cruise Missile

  5. Nyonoksa accident raises safety questions

    Bellona reported that five Rosatom-linked specialists died after an Arctic test accident involving radioactive material; analysts suspected a Burevestnik connection, but Russian official statements did not name the missile.

    Sources: Small Nuclear Reactor Blew Up in Deadly Arctic Accident

  6. Probable deployment site reported near Vologda-20

    Reuters reported that U.S. researchers identified nine possible horizontal launch pads near the Vologda-20/Chebsara nuclear warhead storage facility, while outside experts cautioned that the imagery was not definitive.

    Sources: Reuters: Probable Burevestnik Deployment Site

  7. Russia claims a 15-hour test flight

    Russian officials claimed Burevestnik flew more than 14,000 km over about 15 hours, after which Putin ordered work on deployment infrastructure while acknowledging more work was needed before combat duty.

    Sources: Visit to the Joint Force Command Post, Russia Tests Nuclear-Powered Cruise Missile, Torpedo, Russia's Nuclear-Powered Burevestnik Missile

  8. TASS reports launcher compatibility claims

    TASS quoted a Russian military expert saying Burevestnik could be adapted for existing Iskander and Oreshnik launchers, a compatibility claim that remains Russian media/expert reporting rather than an independently verified technical manual.

    Sources: Burevestnik Missile Compatible with Iskander, Oreshnik Launchers

  9. MIT researchers model propulsion and radiological signature

    An MIT study modeled Burevestnik as a high-subsonic nuclear-powered cruise missile, estimating a roughly 9.5 m length, 5.6 m wingspan, and likely direct-cycle nuclear turbojet architecture with a detectable radiological signature.

    Sources: Burevestnik: Performance and Atmospheric Radiation Signatures

Interesting Facts
  • Its name means Storm Petrel. Burevestnik is commonly translated as Storm Petrel, while NATO uses the reporting name SSC-X-9 Skyfall.
  • The nuclear engine is the point of the design. Public descriptions frame the missile as a cruise missile whose reactor would reduce normal fuel-range limits, not as a faster ballistic weapon.
  • The old U.S. Project Pluto comparison is useful but imperfect. CSIS places both concepts in the nuclear-powered cruise-missile lineage, while warning that Burevestnik should not be treated as a direct copy of the Cold War U.S. program.
  • Its test record is central to the story. PISM and CSIS Missile Threat both describe repeated prototype failures before Russia's later long-range test claim.
  • Its strategic value is disputed. Russian officials present Burevestnik as a missile-defense evasion system, but CSIS argues it does not fundamentally change Russia's ability to hold distant targets at risk.
  • The basing problem is unusually visible. Reuters reporting identified possible launch-pad construction beside the Vologda-20/Chebsara nuclear warhead storage area, with outside experts cautioning that the imagery was not definitive.
Media
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Sources