A-135 (ABM system)

A-135 (ABM system)
Name	A-135 (ABM system)
Country	Soviet Union; Russia
Type	Anti-ballistic missile system
Service	1995–present
Used by	Soviet Union; Russia
Designer	Almaz-Antey; Soviet design bureaus
Design date	1970s–1980s
Production date	1980s–1990s
Launch platform	Fixed silo; missile site

A-135 (ABM system) is a Russian strategic anti-ballistic missile system deployed to protect the Moscow region from nuclear ballistic missile attack. Developed during the Cold War as a successor to earlier Soviet ABM projects, it integrates long-range surveillance from radar networks with high-velocity interceptors to engage incoming intercontinental ballistic missiles and reentry vehicles. The system remains a core element of Russian strategic defenses and has been continually upgraded since initial deployment.

Overview

The A-135 was designed to defend the Moscow Kremlin and surrounding command infrastructure against strikes by the United States and NATO strategic forces by intercepting ICBM warheads during terminal and exoatmospheric phases of flight. It complements strategic forces such as the Strategic Rocket Forces and interacts with early warning assets like the Daryal radar and Voronezh radar families. The architecture emphasizes layered defense employing different interceptor types, centralized command nodes, and integration with Soviet-era and post-Soviet sensors and command networks.

Development and deployment

Development began in the 1960s–1970s after limits on ABM systems became a topic in arms control talks culminating in the ABM Treaty of 1972 between the United States and the Soviet Union. Key industrial participants included the Almaz-Antey conglomerate and several Soviet design bureaus linked to the Ministry of Defense of the Soviet Union. Flight tests and trials occurred through the 1970s and 1980s at sites connected to the Sary Shagan test range and other facilities. Deployment around Moscow was completed in the mid-1990s, with public acknowledgement following the dissolution of the Soviet Union and subsequent Russian defense announcements.

Technical design and components

A-135 employs a multi-layered technical architecture combining long-range acquisition radars, battle management centers, and two interceptor types: short-range, high-acceleration missiles and exoatmospheric interceptors. Radar components interface with networks such as the Voronezh radar and legacy systems like the Dnestr radar family to provide early warning and target tracking. The battle management center processes tracks from the SPACE surveillance constellation and ground radars, assigns interceptors, and controls fire units. Interceptors are housed in hardened silos and use kinetic or nuclear-tipped interception doctrines; missile designs trace lineage to Soviet-era projects overseen by design bureaus tied to OKB naming conventions and manufacturing plants in the Ural and Moscow Oblast regions.

Operational history

Operational readiness was declared in stages during the 1980s and finalized in the 1990s, with notable test launches and intercept attempts recorded during the Cold War–era trials and post-Soviet evaluations. The system has participated in exercises involving the Strategic Rocket Forces and national command exercises linked to presidential directives and national defense planning. A-135 capability was visible during heightened tensions such as the post-Cold War proliferation debates and in periods of diplomatic strain involving NATO expansion and START treaty negotiations.

Command, control and testing

Command and control centers for A-135 are integrated with strategic command nodes located near Moscow and tied into national early warning through links to radar complexes and space-based sensors. Testing has employed ranges such as Sary Shagan and telemetry support from aerospace test organizations and engineering institutes connected to Soviet and Russian ministries. Control procedures follow doctrine established by the General Staff of the Armed Forces of the Russian Federation and procedures for nuclear command and control originally formulated during the Soviet period and adapted under successive presidential administrations.

Upgrades and modernization

Since the 2000s, A-135 has undergone upgrades to sensors, battle management software, and interceptor reliability, including work by Almaz-Antey and associated enterprises to replace aging components and integrate newer radar types like the Voronezh-VP. Modernization efforts tie into broader Russian programs updating strategic forces and air defense, coordinated with developments in systems such as the S-400 and research into directed-energy and space-based sensor concepts pursued by institutes linked to the Russian Academy of Sciences and defense industry consortia. These upgrades aim to address evolving threats from multiple-warhead delivery systems like MIRV and hypersonic vehicles explored in contemporary aeronautical research.

Strategic significance and doctrine

A-135 serves both a protective and deterrent role within Russian strategic doctrine, reinforcing the survivability of national command authorities located around Moscow and influencing crisis stability in relations with the United States and NATO. Its existence shaped arms control discussions including the ABM Treaty dynamics and subsequent START and post-START frameworks. The system affects calculations about first-strike and second-strike capabilities involving the Strategic Rocket Forces, Nuclear triad components, and theater-level forces, and factors into debates over missile defense, arms control verification, and strategic stability among major powers.

Category:Anti-ballistic missile systems Category:Russian military equipment