UPSC Editorial Analysis: Drone Warfare in the 21st Century
Kartavya Desk Staff
*General Studies-3; Topic: Various Security forces and agencies and their mandate.*
Drone Warfare in the 21st Century
Introduction
• Drone technology has revolutionised modern warfare, creating new dynamics of asymmetrical threats.
• The low-cost, high-impact potential of Unmanned Aerial Vehicles (UAVs), especially when deployed in swarms, has exposed the vulnerabilities of traditional air defence systems.
• Recent events such as Ukraine’s FPV drone strike on Russia and Pakistan’s swarm attacks during Operation Sindoor in May 2025 underscore the pressing need for India to reimagine its air defence strategies.
Evolution of UAVs: From WWII to Asymmetric Warfare
• Early Use: Drones were initially used in WWII and the Korean War to simulate enemy aircraft for gunnery training.
• Drones were initially used in WWII and the Korean War to simulate enemy aircraft for gunnery training.
• Post-1991 Shift: The Gulf War marked the first modern deployment of UAVs in surveillance and reconnaissance roles.
• The Gulf War marked the first modern deployment of UAVs in surveillance and reconnaissance roles.
• Game Changer – Nagorno-Karabakh 2020: Azerbaijan’s use of Turkish Bayraktar TB2 and Israeli Harop drones turned the tide against Armenia, showcasing how drones could neutralise air defences and armour efficiently.
• Azerbaijan’s use of Turkish Bayraktar TB2 and Israeli Harop drones turned the tide against Armenia, showcasing how drones could neutralise air defences and armour efficiently.
Global Case Studies in Drone Warfare
• Ukraine-Russia Conflict: Ukraine’s *Operation Spider’s Web* (June 2025) involved 100+ FPV drones launched deep inside Russia, targeting strategic airbases and destroying over 40 aircraft worth $7 billion. Russia uses Shahed-136 drones from Iran to strike energy infrastructure and saturate defences.
• Ukraine’s *Operation Spider’s Web* (June 2025) involved 100+ FPV drones launched deep inside Russia, targeting strategic airbases and destroying over 40 aircraft worth $7 billion.
• Russia uses Shahed-136 drones from Iran to strike energy infrastructure and saturate defences.
• Middle East: Houthi rebels in Yemen targeted Saudi oil facilities with drone swarms. Gaza: Hamas used drones for surveillance and attacks; Israel deployed AI-enabled drones for precision strikes.
• Houthi rebels in Yemen targeted Saudi oil facilities with drone swarms.
• Gaza: Hamas used drones for surveillance and attacks; Israel deployed AI-enabled drones for precision strikes.
• Key Insight: These operations reveal how low-tech, low-cost UAVs can cause high-cost strategic damage when used innovatively.
The Emerging Threat of Drone Swarms
• Definition: Swarm drones operate in coordinated formations, sharing data, adjusting tactics, and overcoming defensive obstacles.
• Swarm drones operate in coordinated formations, sharing data, adjusting tactics, and overcoming defensive obstacles.
• Advantages: In-built redundancy: if some drones are intercepted, others complete the mission. AI-integrated swarms can make tactical decisions in real-time.
• In-built redundancy: if some drones are intercepted, others complete the mission.
• AI-integrated swarms can make tactical decisions in real-time.
• India’s Experience (May 2025): Pakistani swarms attacked targets from Baramulla to Barmer over four days. Aimed at overwhelming radars, exhausting munitions, and testing Indian vulnerabilities.
• Pakistani swarms attacked targets from Baramulla to Barmer over four days.
• Aimed at overwhelming radars, exhausting munitions, and testing Indian vulnerabilities.
Challenges in Countering Drone Threats
• Cost Asymmetry: A $1,000 drone damaging a $200 million aircraft reflects the stark imbalance. Expensive missiles are not cost-effective against cheap drones.
• A $1,000 drone damaging a $200 million aircraft reflects the stark imbalance.
• Expensive missiles are not cost-effective against cheap drones.
• Porous Borders: India’s extensive land borders and population density increase the difficulty of pre-empting drone attacks.
• India’s extensive land borders and population density increase the difficulty of pre-empting drone attacks.
• Strategic Gaps: As former Air Marshal Anil Chopra noted, defeating drone swarms requires integration between intelligence, local policing, air defence, and cyber warfare.
• As former Air Marshal Anil Chopra noted, defeating drone swarms requires integration between intelligence, local policing, air defence, and cyber warfare.
India’s Anti-Drone Infrastructure
• Recent Innovations and Systems
• Akashteer Air Defence Control System: Real-time integration with Indian Air Force’s command and control centres.
• Real-time integration with Indian Air Force’s command and control centres.
• Bhargavastra: Fires 64 micro-rockets in rapid succession to destroy incoming swarms.
• Fires 64 micro-rockets in rapid succession to destroy incoming swarms.
• DRDO’s Anti-Drone System: Offers 360° coverage, 4 km detection range, 1 km hard kill zone via lasers and jammers.
• Offers 360° coverage, 4 km detection range, 1 km hard kill zone via lasers and jammers.
• Indrajaal by Grene Robotics: AI-driven grid system capable of protecting 4,000 sq km using a mix of spoofers, jammers, and radar. Already deployed in Gujarat and Karnataka.
• AI-driven grid system capable of protecting 4,000 sq km using a mix of spoofers, jammers, and radar.
• Already deployed in Gujarat and Karnataka.
• Response During Operation Sindoor (May 2025)
• Activation of India’s Integrated Counter-UAS Grid.
• Use of radar, missiles, and EW tech to defend 15 key bases.
• Localised defence aided by police and intelligence networks.
The Strategic Shift: AI, Startups & Swarm Autonomy
• CDS General Anil Chauhan has underscored that war is entering a phase where machines will fight machines.
• India has a rapidly expanding drone ecosystem: Over 550 startups in drone and counter-drone technologies. Focus on indigenous development and strategic partnerships.
• Over 550 startups in drone and counter-drone technologies.
• Focus on indigenous development and strategic partnerships.
• AI-enabled swarms can: Act autonomously. Make decisions in-flight. Operate in GPS-denied environments (critical in modern jamming-heavy battlefields).
• Act autonomously.
• Make decisions in-flight.
• Operate in GPS-denied environments (critical in modern jamming-heavy battlefields).
Policy and Institutional Dimensions
• Defence Industrial Corridors (DICs): Facilitating drone manufacturing hubs in Tamil Nadu and Uttar Pradesh.
• Facilitating drone manufacturing hubs in Tamil Nadu and Uttar Pradesh.
• DRDO and iDEX Programmes: Boosting innovation among private firms, startups, and academic institutions.
• Boosting innovation among private firms, startups, and academic institutions.
• Cybersecurity and Civil Aviation Safety: Policies under DGCA and MoCA to regulate civilian drone use also intersect with military concerns.
• Policies under DGCA and MoCA to regulate civilian drone use also intersect with military concerns.
• Legal Framework: India’s drone import ban (except for R&D, defence) promotes self-reliance and indigenous production.
• India’s drone import ban (except for R&D, defence) promotes self-reliance and indigenous production.
Way Forward
• Multi-Layered Defence Architecture: Combine radar, jammers, DEWs, interceptor drones, and human intelligence in one ecosystem.
• Combine radar, jammers, DEWs, interceptor drones, and human intelligence in one ecosystem.
• Strategic Doctrine Update: Doctrine must reflect asymmetric threats and new realities of AI-led warfare.
• Doctrine must reflect asymmetric threats and new realities of AI-led warfare.
• Training and Local Vigilance: Even traffic police and civilians can aid in early detection of suspicious activities near sensitive zones.
• Even traffic police and civilians can aid in early detection of suspicious activities near sensitive zones.
• Cyber Defence & AI R&D: Increased investment in AI for real-time threat recognition and hardened networks to resist drone hacking.
• Increased investment in AI for real-time threat recognition and hardened networks to resist drone hacking.
• International Collaboration: Share best practices with allies like Israel (Iron Dome) and US (M-SHORAD) for cutting-edge solutions.
• Share best practices with allies like Israel (Iron Dome) and US (M-SHORAD) for cutting-edge solutions.
Conclusion
• The future of conflict is unmanned, unpredictable, and unrelenting. The surge in drone warfare — cheap, mobile, and smart — demands that India not only defend against new threats but also redefine its military doctrines to stay ahead.
• By investing in indigenous innovation, AI-enabled systems, and coordinated defence layers, India can transform its vulnerability into strategic dominance in this new era of warfare.
“Drones have emerged as the most disruptive technology in asymmetric warfare.” Critically examine the implications of swarm drone warfare on India’s national security. Suggest a multi-pronged strategy to counter such threats. (250 Words)