Munitions

P-800 Oniks

Also known as
  • 3M55
  • 3M55 Oniks
  • P-800 Onyx
  • 3M55 Yakhont
  • SS-N-26 Strobile

The P-800 Oniks is a Russian 3M55-family supersonic cruise missile developed by NPO Mashinostroyenia for anti-ship attack from ships, submarines, aircraft, and Bastion coastal launchers. Although designed for maritime strike, Russia has fired Bastion-launched Oniks missiles at land targets in Syria and southern Ukraine, giving the page both missile-family and conflict-use context.

Role in Conflicts

Side
Russia

Russian forces have used Bastion-launched P-800 Oniks missiles from occupied Crimea in strikes on Odesa, southern Ukraine, and Black Sea port infrastructure, with Ukrainian reporting identifying a July 2023 salvo of seven Oniks missiles from Crimea.

Role details
Profile / Specs

Profile

Origin
Soviet Union / Russia
Built in
Russia
Type
Supersonic anti-ship cruise missile
Service note
Entered Russian service in 2002; Bastion ground-launched service from 2015
Designer
NPO Mashinostroyenia
Designed
Development reported from the 1980s-1990s
Produced
1990s-present

Specifications

Class
Anti-ship cruise missile with land-attack use
Launch platforms
Ships, submarines, aircraft, Bastion-P and Bastion-S coastal launch systems
Range
About 300 km in standard profile; about 120 km in low-altitude profile
Speed
Up to about Mach 2.2-2.6 depending on profile and source
Launch weight
About 3,000 kg
Warhead
Single high-explosive or semi-armour-piercing warhead, about 200-250 kg in common reference data
Propulsion
Solid booster and kerosene-fueled ramjet sustainer
Guidance
Inertial navigation with active/passive seeker guidance in terminal phase
Variants

Open references group Oniks, Yakhont, and Yakhont-M designations inside the same 3M55/SS-N-26 missile family, but public detail varies by domestic, export, and upgrade context.

VariantConfigurationDesignation notes
YakhontExport-family designation

The Yakhont name is commonly associated with the export branch of the Oniks/SS-N-26 family and with Bastion coastal-launch reporting.

Sources: P-800 Oniks/Yakhont/Bastion (SS-N-26 Strobile)

Yakhont-MReported export-family variant

Missile-reference sources list Yakhont-M as a known family variant, but public technical distinctions are less consistently documented than the baseline Yakhont/Oniks split.

Sources: P-800 Oniks/Yakhont/Bastion (SS-N-26 Strobile)

Ship And Submarine Launch Platforms

The missile family is documented across coastal, surface-ship, and submarine launch contexts; these linked catalog records are public examples with direct source support for Oniks compatibility or carriage.

LauncherLauncher typeLaunch evidence
Project 21631 Buyan-M-class guided-missile corvette, Guided-missile corvette, Naval SystemsProject 21631 Buyan-M-class guided-missile corvetteGuided-missile corvette

Naval News describes Project 21631 Buyan-M corvettes as carrying UKSK cells for Kalibr or Oniks cruise missiles.

Sources: Buyan-M-class Corvette Graivoron Commissioned - Naval News

Project 20385 / Gremyashchiy-class corvette, Guided-missile corvette, Naval SystemsProject 20385 / Gremyashchiy-class corvetteGuided-missile corvette

Naval News reports that Project 20385's UKSK 3S14 launcher can use 3M55 Oniks anti-ship missiles.

Sources: Russia launches second Gremyashchy-class corvette - Naval News

Yasen / Yasen-M, Nuclear-powered cruise missile submarine, Naval SystemsYasen / Yasen-MNuclear-powered cruise missile submarine

USNI News reported that the lead Yasen-class submarine Severodvinsk carried Oniks cruise missiles among its main weapons.

Sources: Russian Navy Accepts First in New Class of Nuclear Attack Submarine - USNI News

Launcher Context

Oniks is more than a single launch configuration. Public sources tie the missile to Bastion coastal batteries, UKSK-equipped surface ships, Yasen-class submarines, and reported aircraft integration, but the conflict-use evidence in this record is strongest for Bastion-launched land-attack strikes.

Launch contextDocumented roleRecord caveat
Bastion coastal launchersRoad-mobile coastal-defense system used to fire Oniks/Yakhont missiles.Directly tied to both Syria and Ukraine conflict-use rows.
UKSK-equipped surface shipsVertical-launch compatibility on selected Russian corvette classes.Linked platform records support compatibility, not a separate conflict-use claim for Oniks from those ships.
Yasen / Yasen-M submarinesSubmarine carriage of Oniks alongside Kalibr-family cruise missiles.Open reporting supports carriage; this record does not claim Yasen combat launches.
Timeline

P-800 Oniks Key Events

  1. Russian service entry reported

    Missile-reference data commonly places the P-800 Oniks in Russian service from 2002 after development that began in the late Soviet period.

    Sources: P-800 Oniks/Yakhont/Bastion (SS-N-26 Strobile)

  2. Bastion-launched strikes in Syria

    Russian forces fired Yakhont/Oniks missiles from Bastion road-mobile launchers in Syria during a coordinated strike package against rebel groups.

    Sources: P-800 Oniks/Yakhont/Bastion (SS-N-26 Strobile), P-800 Oniks (SS-N-26 Strobile)

  3. Oniks salvo from Crimea

    Ukrainian reporting identified seven Oniks missiles fired from Bastion coastal systems in Crimea during overnight Russian attacks on southern Ukraine.

    Sources: Ukrainian Air Force explains challenges of destroying Russian Oniks missiles

Media
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Sources