AS-15 Kent

AS-15 Kent is the NATO reporting name for the family of Soviet and later Russian air-launched cruise missiles, primarily the Kh-55 and its derivatives. Designed by the Raduga Design Bureau during the Cold War, it was developed as a long-range, nuclear-capable standoff weapon for the Soviet Air Force's strategic bomber fleet. The missile's deployment significantly enhanced the Long Range Aviation's ability to strike high-value targets from outside the range of many air defense systems, representing a key component of the Soviet nuclear triad.

Development and design

The development of the AS-15 Kent was initiated in the 1970s by the Raduga Design Bureau in response to the United States' deployment of the AGM-86 ALCM. The program aimed to provide the Soviet Air Force with a comparable long-range, subsonic cruise missile capable of delivering a nuclear warhead with high accuracy. The design incorporated a small, efficient turbofan engine, a TERCOM guidance system for mid-course updates over land, and an inertial navigation system. Key testing and evaluation were conducted at sites like the Gromov Flight Research Institute and the Akhhtubinsk state flight test center, leading to its formal adoption in 1984. The missile's design emphasized low radar cross-section and terrain-following flight capabilities to penetrate sophisticated NATO air defenses.

Operational history

Entering service with the Long Range Aviation in 1984, the AS-15 Kent was initially deployed on the Tu-95MS Bear-H and later integrated onto the Tu-160 Blackjack strategic bombers. During the Cold War, these missiles formed a central pillar of the Soviet Union's strategic deterrent, with bombers routinely conducting patrols within striking distance of North America and Europe. Following the dissolution of the Soviet Union, significant numbers of missiles were controversially transferred to Iran and later repatriated to Russia. The missile family saw its first combat use not with the original Kh-55, but with its conventional variant, the Kh-555, during the Russian intervention in Syria. More recently, the advanced Kh-101/Kh-102 missiles, direct successors to the Kh-55 design philosophy, have been extensively used in the Russian invasion of Ukraine against Ukrainian infrastructure.

Variants

* Kh-55 (RKV-500, AS-15A Kent-A): The original baseline model with a 2,500 km range and a 200 kt nuclear warhead. * Kh-55SM (AS-15B Kent-B): An extended-range version with conformal external fuel tanks, increasing range to 3,000 km. * Kh-555 (AS-15C Kent-C): A conventional, non-nuclear variant with improved accuracy, a new guidance system incorporating GLONASS and DSMAC, and a reduced radar signature. * Kh-101/Kh-102: A completely new, stealthy design that is considered the operational successor, with the Kh-101 carrying a conventional warhead and the Kh-102 carrying a nuclear warhead. * RK-55 (SSC-X-4 Slingshot): The ground-launched version for the Pioner (SS-20) system, banned under the Intermediate-Range Nuclear Forces Treaty.

Specifications

* **Primary Function:** Long-range, strategic air-launched cruise missile * **Contractor:** Raduga Design Bureau (now part of Tactical Missiles Corporation) * **Power Plant:** One R-95-300 or MS-400 small turbofan engine * **Length:** Approximately 6.04 m (19.8 ft) for Kh-55 * **Launch Weight:** Approximately 1,500 kg (3,300 lb) * **Diameter:** 514 mm (20.2 in) * **Wingspan:** 3.10 m (10.2 ft) * **Speed:** Subsonic (approx. 720–830 km/h) * **Range:** 2,500 km (1,600 mi) for Kh-55; 3,000 km (1,900 mi) for Kh-55SM * **Guidance System:** INS mid-course with TERCOM update; Kh-555 adds GLONASS and optical correlation * **Warhead:** 200 kt nuclear (Kh-55); conventional (Kh-555)

Operators

;Current Operators * : Primary operator, used by the Russian Aerospace Forces' Long-Range Aviation on Tu-95MS and Tu-160 bombers. * : Inherited a number after the dissolution of the Soviet Union; subsequently decommissioned and dismantled. * : Acquired a number of Kh-55 missiles from Ukraine in the 2000s, which reportedly influenced the development of the CJ-10 cruise missile.

;Former Operators * : Original operator, passed to successor states. * : Inherited missiles and Tu-95 bombers; transferred to Russia by 2001. * : Inherited a small number; returned to Russia.

Category:Cruise missiles of the Soviet Union Category:Cruise missiles of Russia Category:Nuclear cruise missiles Category:Raduga missiles