Why in News?

Launched in early May as retaliation for the April 22 Pahalgam terror attack, Operation Sindoor marked the first direct drone-led military conflict between nuclear-armed India and Pakistan. Over four days, both nations shifted to a new mode of engagement centered on Unmanned Aerial Systems (UAS)—including armed drones, loitering munitions, and electronic decoys—operating below the threshold of full-scale war.

Prior to the operation, Israeli Heron MK-II and indigenous TAPAS-BH-201 (Rustom-II) UAVs conducted deep surveillance into Pakistani airspace.

From May 7, India struck nine targets, and both sides deployed a wide range of drones for real-time ISR (Intelligence, Surveillance, Reconnaissance) and precision strikes.

Tactics included the use of decoy drones to spoof enemy radars and drain interceptor stocks. The conflict de-escalated by May 10 following a ceasefire, setting a precedent for drone-centric warfare in South Asia.

What’s in Today’s Article?

• India’s Use of Aerial Systems in Operation Sindoor
• India’s Multi-Layered Air Defence System During Operation Sindoor
• A New Kind of War – The Technological Evolution of Operation Sindoor

India’s Use of Aerial Systems in Operation Sindoor

• India used a varied fleet of Unmanned Aerial Systems (UAS), including:
  • Indigenous loitering munitions like Nagastra-1
  • Israeli-origin Harop drones (capable of autonomous radar targeting)
  • Swarm drones developed by DRDO and private firms for radar saturation
• Tactical Strategy: Sequenced Drone Strikes
  • Initial waves included decoy drones and EW (electronic warfare) payloads to confuse radar and exhaust SAM (Surface-to-Air Missile) defences.
  • Followed by precision loitering munitions and armed UAVs guided by Heron MK II and TAPAS-BH-201 drones.
  • Quadcopters and micro-UAVs supplied real-time ISR feeds via the Integrated Battle Management System (IBMS) for dynamic target acquisition.
• Notable Impacts and Strikes
  • Reports claimed a cricket match in Rawalpindi was disrupted due to Indian drone strikes.
  • A Chinese-supplied HQ-9 SAM system near Lahore was reportedly destroyed by an Indian Harop drone.
• Strategic Implications
  • The operation showcased India’s growing capability in autonomous warfare, executing precise, risk-free cross-border strikes.
  • Analysts highlighted this as a new model of deterrence in South Asia, signaling a shift in regional aerial power dynamics in India’s favor.

India’s Multi-Layered Air Defence System During Operation Sindoor

• Integrated Air Command and Control System (IACCS) is India’s core air defence nerve centre.
• It fuses inputs from ground-based radars, AWACS, satellites, and other sensors.
• It also enables real-time tracking and interception of low-altitude threats like drones via integration with SAMs and fighter jets.
• It is designed with redundancy — damage to nodes doesn't disrupt overall operations due to alternate data links and mobile radars.
• Pakistan’s Attempted Disruption
  • Pakistan tried to overload IACCS by varying drone altitude, timing, and routes to: Disrupt communication nodes; Confuse command loops; Find vulnerabilities for follow-up drone/missile strikes.
  • All attacks were unsuccessful; any disruptions were swiftly mitigated.
• Advanced Features and Failover Capabilities
  • IACCS’s ‘mesh’ architecture allows:
    • Seamless failover when nodes are hit.
    • Sustained situational awareness using satellite uplinks and mobile platforms.
  • Directed Energy Weapons (DEWs): Employed high-powered lasers/microwaves to neutralise drones quickly.
• Tactical Support: Akashteer System
  • Akashteer developed by Bharat Electronics Limited (BEL) for Army Air Defence units. Digitised command layer ensures:
    • Real-time coordination between sensors and weapons.
    • Effective handling of low-level threats like UAVs, even under EW/communication stress.
• Layered Architecture of the Air Defence Shield
  • India used a multi-layer defence combining:
    • Retrofitted Cold War-era systems.
    • Modern missile platforms.
  • Low-Level Air Defence (LLAD) Network
    • Composed of legacy systems upgraded with radar-directed fire and electro-optical sights.
    • Even Army and BSF snipers contributed by shooting down drones in frontline areas.
  • Modern Additions
    • Israeli SPYDER missile system with Python-5 and Derby missiles: Used for point defence against UAVs, cruise missiles, and aircraft.

A New Kind of War – The Technological Evolution of Operation Sindoor

• Advanced Missile Systems for Layered Defence
  • Akash & Akash-NG: Provided medium-range air defence against aerial threats.
  • Barak-8: India-Israel joint development offering long-range protection of high-value strategic assets from aircraft, drones, and missiles.
  • S-400 'Triumf' (Sudarshan Chakra): Russia-made cutting-edge long-range air defence system; India has received 3 out of 5 units ordered.
• Centralised Integration through IACCS
  • All missile systems were seamlessly integrated via the Integrated Air Command and Control System (IACCS).
  • Enabled coordinated, real-time responses to a full spectrum of aerial threats.
• Dawn of Algorithmic, Autonomous Warfare
  • Operation Sindoor marked a paradigm shift:
    • From conventional to autonomous, algorithm-driven warfare.
    • Deterrence mechanisms are now shaped by data, drones, and digital precision rather than brute force.
    • Future conflicts may begin not with human mobilization but with the silent launch of autonomous drones — a shift in both strategy and psychology of warfare.