India will receive its fourth S-400 Triumf air defence squadron by May 2026, coinciding with the second anniversary of Operation Sindoor. The delivery marks a major boost to India’s layered air defence system, enhancing protection against aerial threats from Pakistan and China, with the fifth and final unit due in 2027.
India’s air defence capabilities are set for a significant upgrade as Russia confirms delivery of the fourth S-400 squadron to the Indian Air Force (IAF) by May 2026. The timing aligns with the second anniversary of Operation Sindoor, where the S-400 proved its combat effectiveness by intercepting Pakistani missiles and aircraft.
The S-400 Triumf system, part of India’s ₹40,000 crore deal signed in 2018, has already been integrated into the country’s multi-layered Sudarshan Chakra defence shield. Each squadron includes eight launchers, a radar, a control centre, and multiple missile types ranging from short to long-range, offering versatile protection against diverse aerial threats.
Notable Updates and Major Takeaways
Delivery timeline: Fourth squadron by May 2026; fifth and final by 2027.
Operation Sindoor legacy: S-400 successfully intercepted Pakistani strikes in 2025.
System strength: Each battalion includes eight launchers, radar, and four missile variants.
Strategic deployment: Focus on sensitive borders with Pakistan and China.
Financial scale: ₹40,000 crore deal signed during Putin’s 2018 India visit.
Defence posture: Reinforces India’s deterrence in the Indo-Pacific amid regional tensions.
Conclusion
The arrival of the fourth S-400 squadron underscores India’s commitment to building a robust, multi-layered air defence shield. As the system continues to prove its worth in combat and deterrence, India’s skies grow stronger—marking a decisive step in securing national sovereignty.
Sources: The Week, Zee News, India Today, Defence Security Asia