DRDO’s new SLCM
Deterrence is the capability of a State to inflict sufficiently heavy losses on a potential adversary to deter it from attempting an attack. It is a key element of national defence for guaranteeing the protection of one territory. What differentiates cruise missiles from other weapons is their range, enabling them to reach targets deep in the territory of the adversary. Few years back, DRDO has started working on Submarine Launched Cruise missile SLCM. The new SLCM will be launched from the torpedo tubes used in existing Kalveri class submarines and possibly in upcoming submarines under Project-75I.
DRDO’s SLCM Variant
These SLCMs are going to be of two variants: one will be a ship attack SLCM and another one will be land attack SLCM. The ant-ship SLCM will be equipped with AESA RF seeker for terminal guidance and land attack version will make use of Electro Optical seeker with DSMAC or Digital Scene Matching Area Correlator (DSMAC) technology for terminal guidance. The Electro Optical seeker makes more sense of land attack version as the land targets could be highly mobile which can be tracked using EO Sensors & DSMAC.
Range of SLCM not confirmed?
Now, if we talk about its range, there is no official confirmation on it from DRDO. However, the torpedo tubes used is existing Kalveri class submarines are six 533-mm torpedo tubes. These torpedo tubes can fire both Torpedoes and anti-ship missiles. At present these torpedo tubes can fire German-made Surface and Underwater Target (SUT) torpedoes and SM39 Exocet anti-ship missiles. The futuristic submarine launched cruise missile will also be fired from this. The Kalveri class submarine, as we all know is based on French design Scorpène class. These submarines are designed to carry the MdCN naval cruise missile which means the Kalveri class submarine is also capable of firing missile like MdCN. Further, the new SLCM by DRDO is expected to be a derivate of ITCM or Nirbhay inheriting technologies of RF Seeker & engine. Therefore, the new cruise missile is expected to have a range similar to MdCN and ITCM. Also, if you closely observe, the ITCM has a length of 6m and MdCN missile have length of 6.5m. Therefore, we can expect the SLCM having range between 1000-1500KM.
DRDO working on SAM for SLCM
We got to know about the progress in the SLCM development from one of the RFP. DRDO’s lab ARDE has released a tender this month for the fabrication and supply of safety arming mechanism for SLCM which is going to have two subsystems namely: Electronic Control Unit and Arming & detonation Mechanism.
The main function of SAM is to incorporate various safeties and to detonate the warhead when required. The Safety Arming Mechanism is a vital link between missile and warhead which plays vital role in keeping missile in safe condition during handling, transportation, storage and launch phases. These safety interlocks incorporated in SAM are removed at different stages flight of the missile and detonates warhead at the time of interception of target.
Looking at the progress being made by DRDO for SLCM and its experience with ITCM, we can expect the missile would be ready for trials pretty soon in an year.
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