The conflict in Ukraine and recent events involving Iran have highlighted the increasing threat posed by low-cost drones, prompting a global surge in the development of counter-drone technologies. Nations, including India and the United States, are rapidly investing in systems capable of neutralizing drones costing as little as $5,000. This shift reflects a recognition that traditional, expensive air defense systems are often ineffective against these smaller, more agile threats. The focus is now on creating affordable and adaptable solutions to address the growing proliferation of drone technology used for military purposes. This race to build "drone killers" demonstrates a significant evolution in modern warfare, emphasizing the importance of asymmetric defense capabilities. Experts suggest this trend will continue as drones become increasingly sophisticated and accessible on the global market. The new defense lesson emphasizes a need for innovation and cost-effectiveness in countering drone-based attacks.