Naval Science & Technological Laboratory (NSTL) works towards the design and development of underwater weapons, associated systems and structural design of naval platforms. Presently major thrust area of NSTL are: Torpedoes (Light Weight and Heavy Weight), Decoys (Expandable and Mobile), Mines (Ground, Moored, and Multi-influence), Fire Control Systems (ASW and FCS for Countermeasures), Autonomous Platforms (Underwater and Sea Surface Vehicles) and Naval Stealth Technologies.