360° UPSC Mains Analysis

Defence Acqusition Council approves ₹52,000 crore worth military purchase

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Flora & Fauna

Dugong (Dugong dugon)
Status: Vulnerable
Threat: Acoustic pollution and habitat degradation from naval mine deployments and underwater testing in shallow coastal waters like the Gulf of Mannar.
Ganges River Dolphin (Platanista gangetica)
Status: Endangered
Threat: Disruption of echolocation and communication due to underwater noise and sonar testing in estuarine and coastal regions.

Ecology Impact

The deployment of Multi Influence Ground Mines (MIGM) and naval testing can cause significant acoustic pollution and physical disruption to benthic habitats. Establishing a Land-Based Testing Facility (LBTF) for marine engines requires rigorous Environmental Impact Assessments (EIA) under the Environment (Protection) Act, 1986 to mitigate localized ecological damage in coastal zones.

Science & Tech Angle

Integrated Full Electric Propulsion (IFEP) utilizes gas turbines or diesel generators to generate electricity, which is then distributed to electric motors driving the propellers, optimizing power distribution and reducing thermal and acoustic signatures. High Altitude Pseudo Satellites (HAPS) operate in the stratosphere (around 20 km altitude) using solar cells during the day and secondary batteries at night to achieve perpetual, zero-emission flight.

Climate Change Link

The development of Integrated Full Electric Propulsion (IFEP) systems for naval vessels represents a major shift towards reducing maritime carbon emissions and improving fuel efficiency. Additionally, the procurement of solar-powered Fixed-Wing High Altitude Pseudo Satellites (FW-HAPS) provides a zero-emission, long-endurance alternative to traditional fossil-fuel-powered surveillance aircraft.

Sustainable Development

Directly supports SDG 14 (Life Below Water) by minimizing marine acoustic pollution, SDG 13 (Climate Action) through the adoption of solar-powered FW-HAPS and electric propulsion, and SDG 9 (Industry, Innovation, and Infrastructure) by fostering sustainable, indigenous green defence technologies.

International Frameworks

United Nations Convention on the Law of the Sea (UNCLOS)
Article 194 mandates states to take all necessary measures to prevent, reduce, and control pollution of the marine environment, including from devices such as naval mines and testing facilities.
MARPOL Annex VI
Regulates air emissions and carbon intensity from ships; the transition to electric propulsion systems aligns with the International Maritime Organization's (IMO) decarbonization targets.
Convention on Biological Diversity (CBD)
Emphasizes the conservation of marine and coastal biodiversity, requiring mitigation of anthropogenic impacts like military exercises and technology testing on marine ecosystems.

Sources consulted

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