Russia’s fearsome Supersonic Kh-31 Cruise Missile vs US Navy Aegis Missile Defense System

Russia’s Supersonic Kh-31 Cruise Missile vs US Navy Aegis Missile Defense


Yesterday at 10:41 PM

While the Kh-31 (X-31 in Cyrillic) is a fearsome weapon, Aegis cruisers and destroyers are equipped with a formidable array of defenses to protect both themselves and the vessels they are escorting

The Russian Navy will be deploying Sukhoi Su-30SM Flanker-H fighters to its Baltic Fleet in 2017.

The powerful multirole fighters will be equipped with the Kh-31 supersonic sea-skimming anti-ship cruise missiles—which would significantly boost Russian maritime anti-access/area denial capabilities in the region. In addition to the jets headed, to the Baltic Fleet, Moscow will be deploying the fighters to its Severomorsk-3 facility, where the aircraft will be able to provide air cover for Russian naval operations in the Barents Sea.

“Several more such planes will be provided for the Baltic Sea Fleet’s air group under the government defense contract in 2017,” according to a Russian defense ministry release provided to the Moscow-based TASS news agency. The first Su-30SM is expected to arrive in Chernyakhovsk in the Kaliningrad Oblast on Dec. 8.

The Russian Navy’s Su-30SM are being equipped with an anti-ship variant of the Mach 3.5-capable Kh-31 that has a range of roughly 120 miles. The Kremlin-owned Izvestia news outlet brags the even a single such weapon would be able to destroy a U.S. Navy ship. “Even one missile is guaranteed to send a Ticonderoga-class missile cruiser—currently in service with the U.S. Navy—to the to the bottom,” Izvestia columnist Alex Ramm writes.

While the Kh-31 (X-31 in Cyrillic) is a fearsome weapon, Aegis cruisers and destroyers are equipped with a formidable array of defenses to protect both themselves and the vessels they are escorting. It is not clear how the SPY-1 radar and the Aegis combat system in combination with Raytheon Standard SM-2 and SM-6 missiles would perform against the Kh-31—assuming the Su-30SM got close enough to launch a such a weapon at a U.S. Navy warship. An Aegis-equipped warship is also armed with Raytheon RIM-162 Evolved SeaSparrow missiles, RIM-116 Rolling Airframe Missiles (RAM) and Phalanx point defense systems.

—-This Story First Appeared in The National Interest—-

That being said, U.S. Navy officials have expressed concerns about the capabilities of the latest Russian and Chinese supersonic anti-ship missiles—particularly the fearsome P-800 Oniks. The Mach 2.8 capable Oniks—and its Russian-Indian cousin the Brahmos—fly a particular profile that makes it difficult to intercept. However, the Navy has not been eager to share any details about exactly why that is the case for obvious reasons.

In any case, the addition of the Su-30SM and the Kh-31 to the Baltic Sea region means that that region—which was already very dangerous for allied naval forces—will become an even more challenging problem. Hopefully, cooler heads will prevail and we won’t have to find out how effective or ineffective these weapons might be.

—-This Story First Appeared in The National Interest—-

Dave Majumdar is the defense editor for The National Interest. You can follow him on Twitter: @davemajumdar.

Original post


The author forgot to mention that there are both anti-ship and anti-radiation so I guess the Aegis is dead and the P-800 Oniks has a range of 600km …..

Kh-31 (Russian: Х-31; AS-17 ‘Krypton’)


he Kh-31P medium-range supersonic anti-radiation missile is designed to counter enemy air defenses and has a high supersonic speed through the use of a scramjet with a built-in booster.

The Kh-31A anti-ship missile with an active radar seeker, derived from the Kh-31P, is capable of penetrating cohesive and layered air defense of a large group of ships. It can be carried by MiG-29K, MiG-29M, MiG-29SMT, MiG-29UBT, MiG-31, Su-24M, Su-25T, Su-30MK, and Su-35 aircraft.

The missiles employ mid-course radar guidance and terminal homing. The Kh-31A is equipped with the ARGSN-31 jam-resistant active radar guidance system capable of discriminating the target from a dense homogenous group. The Kh-31P uses a passive radar guidance system capable of operating in a broad band of frequencies. Its seeker can operate in several homing modes, including automatic search and external control modes. If irradiated by an enemy radar, the missile can perform an evasive 10-g pull-up maneuver.

Warhead type: penetrating, armor-piercing.

Aircraft carrier’s radars like the Zhuk, Kopio and others are used for target detection. The missiles are transported and stored in sealed containers.

Kh-31AD airborne anti-ship guided missile


Kh-31AD airborne anti-ship guided missile is designed for hitting combat (assault landing) surface ships and cargo ships from the striking force (convoys) and single ships. This particular missile has a warhead power increased to 15% in compare with its prototype Kh-31A. Launch range is increased up to 120-160 km almost in two times.


 Maximum launch range
(carrier flight parameters: H=15 km, M=1.5 km), km  120 to 160
 Launch altitrudes, km  0,1 to 15
 Launch speeds (M number)  0,65 to 1,5
 Aiming system  inertial + active radio homing head
 Active radio homing head angle of sight in vertical plane, degree  +10 to -20
 Active radio homing head angle of sight in horizontal plane, degree  up to +/-27
 type  universal
 weight, kg  110
 Fuel  gasoline
 Missile start weight (maximum), kg  715
 Lengthxdiameter, m  5,340×0,360
 Weather conditions for use  any conditions at sea roughness
 up to 4-5
 Carriers  aircrafts Su-30MK (MKI, MKM, MK2),
 Su-35, Mig-29K, Mig-29KUB, Mig-35
 and etc.
 Average number of missile hits required to make enemy’s destroyer
 ineffective  2,0

Kh-31PD airborne high speed anti-radar missile

Kh-31PD airborne high speed anti-radar missile is designed to hit radars of anti-aircraft missile stations (ZRK).

Missile ground maintenance is provided by the OKA-E-1 aircraft guided weapons (AUSP) preparation system.


 Maximum launch range, km
 (carrier flight parameters H=15km, M=1,5), km  180 to 250
 Maximum launch range (H=0,1km), km  15
 Launch altitudes, km  0,1 to 15
 Launch speeds (M number)  0,65 to 1,5
 Aiming system  inertial + wide waveband range
 passive radio homing head
 Target location angle when launching, degree
 target lock being under carrier  +/-15
 target lock at the trajectory  +/-30
 type  cluster, universal
 weight  110
 Fuel  gasoline
 Missile start weight (maximum), kg  715
 Missile overall dimensions:
 lengthxdiameterxwing span, m  5,340×0,360×0,954 (1,102)
 Weather conditions  any weather conditions
 Carriers  aircraft Su-30MK (MKI, MKM, MK2),
 Su-35, Mig-29, Mig-35, Mig-29KUB and etc.


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