Cochin Shipyard Delivers Third ASW Shallow Water Craft to Navy
Source:PIB ↗
ఇది ఎందుకు ముఖ్యం
Illustrates India's progress in defence indigenization (Aatmanirbhar Bharat) and the modernization of its naval assets to address coastal and maritime security threats, key themes for GS-3 security and technology sections.
సారాంశం
Cochin Shipyard Limited (CSL) has delivered 'Mangrol', the third of eight Anti-Submarine Warfare Shallow Water Craft (ASW SWC), to the Indian Navy. Boasting over 80% indigenous content, the vessel significantly advances India's 'Aatmanirbhar Bharat' initiative in domestic defence production. The ASW SWC ships are designed to replace the legacy Abhay class Corvettes and are specialized for anti-submarine operations in coastal waters, low-intensity maritime operations (LIMO), and underwater surveillance. Named after a historic minor port in Gujarat, 'Mangrol' highlights India's ongoing modernization of its naval fleet to secure maritime borders and support a robust domestic defense manufacturing ecosystem.
ముఖ్య అంశాలు
- 'Mangrol' is the third Anti-Submarine Warfare Shallow Water Craft (ASW SWC) out of eight contracted, built and delivered by Cochin Shipyard Limited (CSL) to the Indian Navy.
- The vessel features over 80% indigenous content, demonstrating significant strides in India's 'Aatmanirbhar Bharat' goal for defense indigenization.
- It is designed to perform coastal Anti-Submarine operations, Low-Intensity Maritime Operations (LIMO), and Mine Laying, replacing the aging Abhay class ASW Corvettes.
- Equipped with advanced domestic technology including waterjet propulsion, torpedoes, ASW rockets, and hull-mounted and variable depth sonars for comprehensive underwater surveillance.
- Named after a minor port in Gujarat's Junagadh district, the ship carries forward the legacy of the erstwhile INS Mangrol, a minesweeper decommissioned in 2004.
ముఖ్యమైన పదాలు
Aatmanirbhar Bharat
A flagship national initiative launched in 2020 aiming to make India self-reliant by fostering domestic manufacturing, technology indigenization, and reducing import dependency, particularly in strategic sectors like defence.
UPSC context
GS Paper 3: Science & Technology (indigenization) and Economy; tests strategy for domestic manufacturing and reducing strategic imports.
Anti-Submarine Warfare Shallow Water Craft (ASW SWC)
A class of indigenously designed, specialized small surface warships built to detect, track, and engage underwater threats in shallow, acoustically cluttered coastal littoral waters.
UPSC context
GS Paper 3: Coastal Security and Defence Technology; tests understanding of specialized maritime combat platforms and littoral warfare.
Cochin Shipyard Limited (CSL)
India's largest public sector shipbuilding and maintenance facility, located in Kochi, Kerala, playing a pivotal role in constructing major warships and advancing naval indigenization.
UPSC context
GS Paper 3: Infrastructure and Indigenization; tests the role of public sector undertakings in expanding India's domestic defence manufacturing.
Low-Intensity Maritime Operations (LIMO)
Naval actions conducted below the threshold of conventional warfare, focusing on tasks such as coastal surveillance, counter-terrorism, anti-piracy, search and rescue, and port security.
UPSC context
GS Paper 3: Internal Security and Coastal Security; tests knowledge on handling non-traditional maritime threats and asymmetric warfare.
Indian Navy
The maritime branch of the Indian Armed Forces, tasked with safeguarding the nation's maritime boundaries, trade interests, and maintaining sea control in the Indian Ocean.
UPSC context
GS Paper 3: Security Challenges and Modernization; tests concepts of maritime diplomacy, deterrence, and maritime domain awareness.
ప్రిలిమ్స్ ఉచ్చు
ASW SWC ships are designed for deep-ocean, blue-water anti-submarine warfare.
These vessels are explicitly for shallow, coastal operations (up to 200 nm). They are meant to free up larger blue-water assets (destroyers) for deep-ocean tasks.
అనుసంధానమైన స్థిర భావనలు
What is India's 3-tier coastal security architecture?
- State Marine Police: Patrols territorial waters from the baseline up to 12 nautical miles.
- Indian Coast Guard: Secures the Exclusive Economic Zone (EEZ) from 12 to 200 nautical miles and leads anti-smuggling/poaching efforts.
- Indian Navy: Patrols beyond 200 nautical miles (high seas) and holds overarching responsibility for coastal defense, including anti-submarine warfare (ASW).
How do Corvettes differ from Frigates and Destroyers?
- Corvettes: The smallest recognized warship class (typically 500-2,500 tons), designed primarily for coastal defense, fast attack, and shallow-water ASW (e.g., Abhay-class).
- Frigates: Mid-sized warships used for fleet protection and anti-submarine escort roles across longer distances (e.g., Shivalik-class).
- Destroyers: Large, heavily armed blue-water warships capable of independent operations, anti-aircraft defense, and long-range land strikes (e.g., Visakhapatnam-class).
అంతర-అంశ నమూనాలు
Defence Indigenization + MSME Ecosystem
The integration of 20+ domestic MSMEs alongside DPSUs for the Mahe-class reflects a shift towards decentralized defense manufacturing, aligning with DAP 2020 and iDEX goals.
Underwater Domain Awareness (UDA) + SAGAR doctrine
Upgrading acoustic surveillance against quiet diesel-electric submarines in coastal waters (shallow, cluttered zones) is critical for India's Underwater Domain Awareness (UDA) and SAGAR doctrine.
Naval platform matching questions pairing classes (Arnala/Mahe vs Scorpene/Project-75) to their operational domains (shallow vs blue-water).
అనుసంధాన PYQలు · 3
అనుసంధాన PYQలు · 3
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Why is maritime security vital to protect India's sea trade? Discuss maritime and coastal security challenges and the way forward.
- 2022MainsGS3
What are the maritime security challenges in India ? Discuss the organisational, technical and procedural initiatives taken to improve the maritime security.
- 2026PrelimsGS1
Which of the following items of defence hardware is/are manufactured in India ? 1. Su-30 MKI Fighter Jets 2. T-90 MK-III Tanks 3. Akula Class Submarine Select the answer using the code given below :
