

{"id":6274,"date":"2026-01-05T12:00:36","date_gmt":"2026-01-05T06:30:36","guid":{"rendered":"https:\/\/vajiramandravi.com\/upsc-exam\/?p=6274"},"modified":"2026-01-06T12:05:37","modified_gmt":"2026-01-06T06:35:37","slug":"s-400-missile-system","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/upsc-exam\/s-400-missile-system\/","title":{"rendered":"S-400 Defence System, Features, Range, Price, Speed, Comparison"},"content":{"rendered":"<p><b>S-400\u00a0 Missile system<\/b><span style=\"font-weight: 400\">, also known as \u201cSudarshana Chakra\u201d, is one of the world\u2019s most advanced long-range surface-to-air missile (SAM) systems, developed by Russia\u2019s Almaz-Antey. India\u2019s acquisition of the Russian-made S-400 Triumf in 2018 has significantly boosted its defensive capabilities through this advanced long-range surface-to-air missile (SAM) system.<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">During the May 2025 India\u2013Pakistan conflict, India deployed its <\/span><b>S-400 Missile defence system<\/b><span style=\"font-weight: 400\"> to intercept and neutralise multiple Pakistani missile and drone strikes targeting key military installations across northern and western India. The S-400's advanced capabilities allowed it to thwart a series of coordinated aerial attacks, including those aimed at Jammu, Pathankot, and Amritsar, thereby preventing potential damage to critical infrastructure and military assets.<\/span><\/p>\r\n<h2><strong>S-400 Missile System Overview<\/strong><\/h2>\r\n<p><b>S-400 Missile System<\/b><span style=\"font-weight: 400\"> (SA-21 Growler) is a long-range surface-to-air missile (SAM) system developed by Russia's Almaz Central Design Bureau in the late 1980s to counter advances in Western air defence systems like the<\/span> <span style=\"font-weight: 400\">MIM-104 Patriot. It was intended to replace the earlier S-200 and S-300 systems developed in the 1960s-1970s.<\/span><\/p>\r\n<h3><span style=\"font-weight: 400\">S-400 Sudarshan Chakra<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">India's S-400 air defence system is named \"Sudarshan Chakra\" after Lord Vishnu's mythological weapon, symbolising swift and precise destruction. This designation reflects the system's capability to detect and neutralise aerial threats rapidly and accurately. The S-400 Sudarshan Chakra enhances India's <\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/defence-technology\/\" target=\"_blank\"><span style=\"font-weight: 400\"><strong>defence technology<\/strong><\/span><\/a><span style=\"font-weight: 400\"> by providing a robust shield against diverse airborne attacks, reinforcing national security.<\/span><\/p>\r\n<p><strong>Also Read: <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/s-500-missile-system\/\" target=\"_blank\">S-500 Missile System<\/a><\/strong><\/p>\r\n<h3><span style=\"font-weight: 400\">S 400 Missile Which Country<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">The S-400 missile system is developed by Russia. It was designed and manufactured by Russia\u2019s Almaz Central Design Bureau as part of the country's advanced air defense capabilities. India signed the five S-400 missile system deal with Russia in October 2018, boosting<\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/india-russia-relations\/\" target=\"_blank\"><span style=\"font-weight: 400\"><strong> India-Russia relations<\/strong><\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/p>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System Features<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">S-400 missile system stands out for its sophisticated radars, long-range missiles, high mobility, flexibility, adaptability, and networking capabilities. Designed to counter a wide array of aerial threats, the S-400 is a cornerstone of modern air defence. It has significantly enhanced the nation's air defence capabilities, especially during the recent attack by Pakistan. Some of its features are:<\/span><\/p>\r\n<h3><span style=\"font-weight: 400\">S-400 Missile Speed<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">S-400 missile system is renowned for its exceptional speed. Its missiles can reach a maximum speed of up to 17,000 km\/h (approximately Mach 14), allowing them to intercept fast-moving targets, including high-speed aircraft and ballistic missiles. It can operate at altitudes between 10 meters and 30 kilometres, including intercepting ballistic missiles near the edge of space.<\/span><\/p>\r\n<h3><span style=\"font-weight: 400\">S-400 Missile System Price\/Cost<\/span><\/h3>\r\n<p><b>The cost of the S-400 missile system<\/b><span style=\"font-weight: 400\"> varies based on the configuration and quantity purchased. A single S-400 battery, which includes multiple launchers, radars, and command posts, is estimated to cost around $1.25 billion.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Maintenance, training, and operational expenses can add to the overall cost over the system's lifecycle.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">In 2018, India signed a contract worth $5.4 billion (about \u20b935,000 crore) for five S-400 units, making it one of the largest defence acquisitions in Indian history.<\/span><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-weight: 400\">S-400 Missile Range<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">S-400 missile system's missile range varies depending on the specific missile type. The system\u2019s radar can detect targets up to 600 km away.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><b>9M96E\/9M96E2: <\/b><span style=\"font-weight: 400\">These missiles have an engagement range of up to 120 km, ideal for intercepting medium-range threats.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>48N6E3:<\/b><span style=\"font-weight: 400\"> With a range of approximately 250 km, this missile is effective against high-speed aircraft and missiles.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>40N6E: <\/b><span style=\"font-weight: 400\">The longest-range missile in the S-400 arsenal, capable of engaging targets at distances up to 400 km, providing a robust defence against advanced threats.<\/span><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-weight: 400\">Detection and Tracking<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">The S-400 missile system boasts impressive features, including a wide area search and track capability, capable of maintaining 300 target tracks while engaging 36 threats. It uses a diverse radar suite, such as the 96L6E, to provide 360-degree surveillance against various targets and can track stealth aircraft using advanced detection methods. Its phased array radars are resilient in electronic warfare environments, with both active and passive guidance ensuring accurate tracking.<\/span><\/p>\r\n<h3><span style=\"font-weight: 400\">Mobility and Rapid Deployment<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">In terms of mobility, the S-400 is designed for quick deployment, with components mounted on wheeled vehicles for easy transport. The system can be set up in just 5\u201310 minutes, and the \"shoot and scoot\" capability allows it to fire missiles and quickly relocate. It offers flexibility with point defence or area defence modes and can engage threats from low to very high altitudes, including ballistic missiles.<\/span><\/p>\r\n<h3><span style=\"font-weight: 400\">Flexibility and Adaptability<\/span><\/h3>\r\n<p><span style=\"font-weight: 400\">The system also adapts to various threats with reprogrammable software, multiple guidance modes (inertial, active, passive, and satellite), and seamless integration with other systems like S-300, Tor, and Pantsir. Its networked sensors and launchers enhance redundancy and resistance to electronic attacks, making the S-400 a formidable defence tool.<\/span><\/p>\r\n<p><img decoding=\"async\" class=\"image_resized\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/s_400_working_e7500612b6.webp\" alt=\"S-400 Working\" width=\"768\" height=\"566\" \/><\/p>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System: Operation Sindoor<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">The S-400 missile system, popularly known as Sudarshan Chakra, was recently deployed during <\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/operation-sindoor\/\" target=\"_blank\"><span style=\"font-weight: 400\">Operation Sindoor<\/span><\/a><span style=\"font-weight: 400\"> to intercept a Pakistani missile. This came after India conducted a targeted strike on terrorist camps in Pakistan as a response to the <\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/pahalgam-terror-attack-2025\/\" target=\"_blank\"><b>Pahalgam terror attack<\/b><\/a><span style=\"font-weight: 400\">.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">In retaliation, Pakistan launched a coordinated attack using drones and missiles aimed at fifteen Indian cities, including Jammu, Amritsar, Ludhiana, and Bhuj.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The S-400 system successfully intercepted and neutralised all incoming threats, preventing potential damage to critical military installations and civilian areas.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">This marked the first combat use of the S-400 system by India, demonstrating its capability to track and engage multiple aerial targets simultaneously within a 400 km range.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The system's deployment provided a robust shield over India's airspace, allowing offensive operations, such as Operation Sindoor, to proceed without diversion of resources for homeland defence.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The successful interception of Pakistan's aerial threats underscored the S-400's role as a critical component of India's multi-layered air defence strategy, enhancing national security and deterrence posture in the region.<\/span><\/li>\r\n<\/ul>\r\n<h2><span style=\"font-weight: 400\">Comparison of S-400 Missile System with Other Defence Systems<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">The S-400 outperforms systems like the MIM-104 Patriot, HQ-9, and THAAD with its longer range, multiple missile types, and superior tracking capabilities, offering more comprehensive coverage and adaptability in diverse defence scenarios.<\/span><\/p>\r\n<table style=\"width: 95.8914%\">\r\n<tbody>\r\n<tr>\r\n<td class=\"tb-color\" style=\"width: 13.4269%\">\r\n<p><b>System<\/b><\/p>\r\n<\/td>\r\n<td class=\"tb-color\" style=\"width: 81.7635%\">\r\n<p><b>Key Features<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 13.4269%\">\r\n<p><b>MIM-104 Patriot<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 81.7635%\">\r\n<p><span style=\"font-weight: 400\">- Developed by: USA<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">- It has a 150 km radar range, PAC-3 hit-to-kill missile effective against aircraft, missiles and drones but has a shorter detection range and limited missile options compared to the S-400.<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 13.4269%\">\r\n<p><b>HQ-9<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 81.7635%\">\r\n<p><span style=\"font-weight: 400\">- Developed by: China<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">- It has a 200 km radar detection range with active radar-homing missiles and cold launch capability but a shorter detection range and fewer missile types compared to the S-400.<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 13.4269%\">\r\n<p><b>THAAD<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 81.7635%\">\r\n<p><span style=\"font-weight: 400\">- Developed by:<\/span> <span style=\"font-weight: 400\">USA<\/span><b>\u00a0<\/b><\/p>\r\n<p><span style=\"font-weight: 400\">- It has a 200 km radar detection range optimised to intercept intermediate-range missiles in the endo-atmospheric region but has a shorter detection range than the S-400 and limited targets, like missiles only.<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 13.4269%\">\r\n<p><b>S-300PMU<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 81.7635%\">\r\n<p><span style=\"font-weight: 400\">- Developed by: Russia\u00a0<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">- It has a 200 km radar detection range capable of tracking 300 targets simultaneously with multiple missile options but a shorter detection range than the S-400 as it is an older predecessor system.<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p><img decoding=\"async\" class=\"image_resized\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/s_400_capabilities_3af9d7f66b.webp\" alt=\"S 400 Capabilities\" \/><\/p>\r\n<p><img decoding=\"async\" class=\"image_resized\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/s_400_missile_types_8b5568564a.webp\" alt=\"S-400 Missile Types\" \/><\/p>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System Importance<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">India\u2019s S-400 acquisition from Russia in 2018 is geopolitically significant, giving it leverage in relations with both China and Pakistan.<\/span><\/p>\r\n<ul>\r\n\t<li><b>Deterrence: <\/b><span style=\"font-weight: 400\">The S-400 missile system helps deter regional adversaries such as China and Pakistan. It was recently used by India, which successfully intercepted the incoming missiles from Pakistan. <\/span><a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/india-pakistan-relations\/\" target=\"_blank\"><b>India-Pakistan relations<\/b><\/a><span style=\"font-weight: 400\"> have become sour in recent times.<\/span><\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li style=\"list-style-type: none\">\r\n<ul>\r\n\t<li style=\"list-style-type: none\">\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><b>Pakistan:<\/b><span style=\"font-weight: 400\"> With a 400 km range, the S-400 can cover much of Pakistani airspace, making it possible to enforce \"no-fly zones\" over border areas, reducing enemy air activity and limiting Pakistani AWACS' operations.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>China:<\/b><span style=\"font-weight: 400\"> It can counter China\u2019s J-20 stealth fighters and disrupt support systems like AWACS and aerial refuelling tankers, limiting China's air campaign capabilities.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Defensive Shield: <\/b><span style=\"font-weight: 400\">The S-400 provides a defensive shield over India's major cities, critical infrastructure and strategic facilities. Delhi, Mumbai, Kolkata and 30 other cities come under the protective umbrella of the system with its 100 km+ engagement radius.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Sea Denial Against Naval Forces: <\/b><span style=\"font-weight: 400\">The S-400's long-range surveillance can track naval forces, including Chinese aircraft carriers and Pakistan Navy ships, from hundreds of kilometres away. This reduces their ability to operate near India, while shore-based S-400 systems help secure the seas and protect Indian airspace for naval dominance.<\/span><\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Boosts Air Operations: <\/b><span style=\"font-weight: 400\">The S-400 enhances air operations by protecting airbases, forward posts, and strategic infrastructure, allowing India\u2019s offensive air forces to operate without distraction. It reduces the need for homeland defence, enabling forces to focus on targeting adversaries, while also making border patrols safer.<\/span><\/li>\r\n<\/ul>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System Limitations<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">The S-400 aptly fulfils India's deterrence requirements from a defensive technology perspective against regional adversaries. Despite boosting India's military capability, the S-400 has some strategic constraints:<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><b>Defensive-only Asset:<\/b><span style=\"font-weight: 400\"> It remains a defensive system unable to conduct surface attacks or seize enemy territory.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>China-Pak Nexus: <\/b><span style=\"font-weight: 400\">Joint air power cooperation between China and Pakistan, including operations from each other's soil, can create two-front challenges that increase the stress on Indian air defence.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Missile Aaps:<\/b><span style=\"font-weight: 400\"> Upper-tier area defence gaps remain against hypersonic glide vehicles, which the S-400 has yet to demonstrate full capability against. Short-range protection against saturated artillery rocket attacks is also limited.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Cost Implications: <\/b><span style=\"font-weight: 400\">The S-400's high unit and lifecycle costs constrain funding available for other military modernisation programs. It impacts the<\/span> <span style=\"font-weight: 400\">fiscal headroom for acquisition.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Geopolitical Fallout:<\/b><span style=\"font-weight: 400\"> More S-400 purchases could attract US sanctions. Acquiring interoperable Western systems gets complicated. The S-400 thus also brings geopolitical costs.<\/span><\/li>\r\n<\/ul>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System Way Forward<\/span><\/h2>\r\n<p><span style=\"font-weight: 400\">While transformative in capability, the S-400 also poses several challenges that India must systematically address to fully benefit from the system. Some key issues are:<\/span><\/p>\r\n<ul>\r\n\t<li><b>Integration with Existing Networks: <\/b><span style=\"font-weight: 400\">The IAF has legacy Soviet-origin systems like<\/span> <span style=\"font-weight: 400\">S-125 Pechora, OSA-AK, and Kvadrat and upgraded variants alongside newer European acquisitions like MRSAM and Spyder.<\/span><br \/>\r\n<ul>\r\n\t<li><span style=\"font-weight: 400\">Integrating the Russian-made S-400's datalinks and systems seamlessly into this heterogeneous network with older Indian, Western and Russian platforms will involve technical complexity.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Training: <\/b><span style=\"font-weight: 400\">Operating the S-400 requires overseeing a complex mix of sensors, data links, C4I centres and shooters. Comprehensive training of personnel at the operator and supervisory levels is essential.<\/span><\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Address Gaps: <\/b><span style=\"font-weight: 400\">Notwithstanding its formidable capabilities, the S-400 cannot address all air defence requirements by itself. A multi-tier architecture is necessary to plug weaknesses.<\/span>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Short-range MANPADS and SHORADS units to protect S-400 batteries and address low-altitude threats. Systems like MPADS, VL-SRSAM and truck-mounted guns fit this requirement.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A coordinated network of short, medium and long-range air defence systems is necessary to optimise capabilities and address vulnerabilities across the full spectrum of threats.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<ul>\r\n\t<li><b>Adapting Strategies Against Emerging Threats: <\/b><span style=\"font-weight: 400\">New threats like hypersonic glide vehicles, mini and nano drones, loitering munitions and 5th-generation aircraft using advanced countermeasures are growing air defence challenges. Adapting to these requires doctrinal and tactical innovation.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The S-400 thus significantly strengthens India's defensive capabilities. But more efforts are needed in integration, training, and ecosystem creation to exploit its full potential. Developing flexible strategies to address some limitations is important alongside offensive capability growth.<\/span><\/p>\r\n<h2><span style=\"font-weight: 400\">S-400 Missile System UPSC PYQs<\/span><\/h2>\r\n<p><b>Q1:<\/b><span style=\"font-weight: 400\"> How is the S-400 air defence system technically superior to any other system presently available in the world? <\/span><b>(UPSC Mains 2021)<\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>An overview of the advanced S-400 defence system including its range, speed, price capabilities, deployment, operators and significance for regional security.<\/p>\n","protected":false},"author":6,"featured_media":14296,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[239],"tags":[40,1214,714],"class_list":{"0":"post-6274","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-quest-level-4","8":"tag-quest","9":"tag-s-400-defence-system","10":"tag-s-400-missile-system"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/comments?post=6274"}],"version-history":[{"count":3,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6274\/revisions"}],"predecessor-version":[{"id":21844,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6274\/revisions\/21844"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/media\/14296"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/media?parent=6274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/categories?post=6274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/tags?post=6274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}