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Securing India's vast borders and asserting its strategic interests in the Indo-Pacific region requires a well-equipped and modernized defence force.
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This year's UPSC Prelims is likely to focus on recent developments in defence acquisitions that reflect India's evolving security priorities.
This article highlights a few key defence items that were procured and have been in the news. It is crucial for aspirants appearing in the 2024 UPSC prelims.
Pralay Missile
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WHY IMPORTANT?
150-500 km Short-Range Surface-to-surface Missile by DRDO.
- Pralay is a canister-based tactical, surface-to-surface, short-range ballistic missile.
- It is a part of the Prahaar missile program.
- With an ability of striking 150 to 500 kilometers far, Pralay is the longest-range surface-to-surface missile with the Indian Armylongest-range surface-to-surface missile, capable of striking 150 to 500 kilometers far.
- It is a quasi-ballistic trajectory based solid propellant rocket-powered missile.
TAPAS BH 201
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WHY IMPORTANT?
Previously known as Rustom-II, it is an indigenously developed Medium Altitude Long-Endurance Unmanned Aerial Vehicle.
- It can operate at altitudes of up to 28,000 feet with endurance of over 18 hours.
- The maximum speed is 225 kmph and maximum payload it can carry is 350 kgs.
- It is capable of fulfilling the army's Intelligence, Surveillance, Target Acquisition, Tracking, and Reconnaissance (ISTAR) requirements.
Spike NLOS
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WHY IMPORTANT?
The 6th Generation lightweight, fire-and-forget tactical precision-guided Spike Non Line of Sight (NLOS) Anti-tank Guided Missile from Israel will be integrated with Russian Mi-17V5 helicopters.
- It is a fire-and-forget anti-tank missile with a high-explosive warhead.
- Its variants include man-portable, vehicle-launched, and helicopter-launched and can hit targets from distances of up to 30 km.
- Reliance on electro-optical seeker for clear vision of targets makes it effective unlike traditional missiles reliant on radar or infrared guidance.
MQ 9B Reaper
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WHY IMPORTANT?
It can fly over the horizon for real-time situational awareness and has maritime intelligence, surveillance, and reconnaissance capabilities.
- MQ 9B has two variants, the SkyGuardian and SeaGuardian.
- The drone can operate at over 40,000 feet giving advantage in the high-altitude Himalayan border areas.
- These drones have advanced features like automatic take-off and landing, anti-spoofing GPS and encrypted communication links.
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Dhruv Advanced Light Helicopter
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WHY IMPORTANT?
It is for both civil and military roles developed by Hindustan Aeronautics Limited.
- The major variants of Dhruv are classified as Dhruv Mk-I, Mk-II, Mk-III & Mk-IV.
- It was exported to countries like Bolivia, Myanmar, Israel, Maldives, and Nepal.
- Dhruv Mk-IV is also called ALH Rudra and can carry air-to-air missiles.
- Radar and missile detectors, infrared jammers and chaff and flare dispensers are some of its countermeasures.
Light Combat Helicopter Prachand
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WHY IMPORTANT?
It is a multi-role combat helicopter designed and developed by Hindustan Aeronautics Ltd.
- It is India’s first indigenous multi-role combat helicopter specializing in deserts and mountain operations.
- It can fly at a maximum speed of 288 kmph with activities like Combat Search and Rescue, operations against Remotely Piloted Aircraft and high-altitude bunker busting operations.
- It will be equipped with Helina missiles, the air force version of which is called Dhruvastra.
- The helicopter is equipped with new-generation Shakti engine and is the only helicopter with capability to operate at altitudes above 6,000 meters while carrying a substantial payload.
INS Imphal
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WHY IMPORTANT?
It is the third of four indigenous Visakhapatnam class stealth-guided missile destroyers under Project 15-Bravo.
- INS Imphal or the Pennant D68 is the third ship of the Visakhapatnam class stealth-guided missile destroyers.
- The ship is equipped to fight Nuclear, Biological and Chemical warfare.
- Armaments include Barak-8 surface-to-air missiles, BrahMos surface-to-surface cruise missiles, torpedo launchers and anti-submarine rocket launchers.
After the success of Kolkata class (Project 15A), the 15B (Visakhapatnam Class) has four warships: Visakhapatnam, Mormugao, Imphal, and Surat.
Neerakshi
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WHY IMPORTANT?
It is the first of its kind Autonomous Underwater Vehicle by India for mine detection.
- Neerakshi means “Eyes in the Water”.
- Its functions include mine detection, mine disposal and underwater survey.
- With an endurance of around 4 hours, it is capable of operating up to a depth of 300m.
Varunastra
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WHY IMPORTANT?
It is an indigenous ship-launched anti-submarine torpedo.
- It is an electrically-propelled anti-submarine torpedo capable of targeting stealth submarines in deep and shallow waters.
- The torpedo’s guidance system uses active-passive acoustics, wire guidance and GPS/NavIC satellite guidance.
- The conformal array transducers installed in it allows for a wide angle view than other torpedoes.
- It can be fired from all Anti-submarine warfare ships.
Project Sanjay
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WHY IMPORTANT?
The Indian army under ‘Project Sanjay’ is working on creating multiple battlefield surveillance centres.
- The aim is to have a future-ready, technology-driven, lethal and agile force.
- It is the ability to obtain real or near-real time all time pictures of battle areas.
- It is multi-pronged and includes human intelligence, technology-related imagery intelligence and communication intelligence.
- It helps detect changes for pre-emptive action.