INS Arighat (SSBN)
Type: submarine
Domain: sea
Country of Origin: India
Manufacturer: Ship Building Centre
Overview
Second boat of the Arihant-class ballistic missile submarines, representing improved capabilities and lessons learned from the lead ship. INS Arighat (Sanskrit for "Destroyer of Enemies") features similar displacement and reactor design to Arihant but with reported improvements in acoustic quieting, upgraded sensors and combat management systems, and potentially enhanced missile capacity. Like Arihant, Arighat is armed with K-15 and K-4 submarine-launched ballistic missiles. The boat completed extensive sea trials and was commissioned in 2024, doubling India's operational SSBN fleet. The expansion to a two-boat operational fleet enables continuous at-sea deterrence patrols — one boat on patrol while the other undergoes maintenance and crew training. Additional boats of the class (S-3 and S-4) are under construction at the Ship Building Centre. India ultimately plans a minimum of 4-5 SSBNs to ensure credible continuous deterrent patrols.
Technical Specifications
| type | Nuclear-Powered Ballistic Missile Submarine (SSBN) |
|---|---|
| reactor | 83 MW PWR |
| missiles | K-15 Sagarika (750 km) / K-4 SLBM (3,500 km) |
| commissioned | 2024 (Arighat) |
| displacement | ~6,000 tonnes (submerged) |
Operators
- India
Related sea Weapon Systems
- JL-3 SLBM - Submarine-Launched Ballistic Missile (China)
- IAI Gabriel V - missile (Israel)
- Type 071 Yuzhao - amphibious (China)
- Akya - Heavy Torpedo (Turkey)
- Type 075 LHD - amphibious (China)
- Type 076 LHA - amphibious (China)
- Orka Class Submarine - submarine (Netherlands)
- Type 054A - frigate (China)
- Type 056A Jiangdao - corvette (China)
- AN/SPY-1 - Naval Multi-Function Radar (United States)