Akash Mk1/Mk1S SAM
The Akash is India first indigenously developed surface-to-air missile system, providing short-to-medium range air defense for the Indian Army and Air Force. The Rajendra phased-array radar guides up to three missiles simultaneously against four targets. The Mk1S variant adds an RF seeker for improved accuracy and reduced dependence on the ground radar for terminal guidance. With 1,000+ missiles ordered, Akash forms a significant portion of India air defense architecture alongside MRSAM and S-400. Each battery comprises the Rajendra battery-level radar, a surveillance radar, a control center, and four self-propelled launchers each carrying 3 missiles. The system defends against aircraft, helicopters, cruise missiles, and UAVs within 25 km.
- First indigenous Indian SAM — deployed in significant numbers (8+ squadrons)
- Mk1S variant adds terminal seeker for improved accuracy and ECM resistance
- Mobile launcher on tracked/wheeled platform supports rapid deployment
- Multi-target engagement (4 simultaneous) using a single Rajendra radar
- Very low unit cost compared to Western SAM systems
- Range inferior to S-400, Patriot, and even SPYDER-MR used by some neighbors
- Command guidance system susceptible to electronic countermeasures
- Hit probability reportedly lower than Western fire-and-forget SAMs
- Rajendra radar has experienced reliability and availability issues
- Being supplemented by Akash-NG and MRSAM for higher-tier defense
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