The document discusses India's C4ISR (command, control, communications, computer intelligence, surveillance, reconnaissance) market and capabilities. It notes that future wars will be fought more in the digital domain than conventional battlefields, and that controlling communications will be critical. It assesses the global C4ISR market size, outlines the typical elements of a C4ISR system, and reviews India's C4ISR capabilities across its Army, Air Force, and Navy. The Navy is assessed as the most advanced of the three services in deploying C4I2 and airborne ISR components. Major indigenous and foreign C4ISR systems with the Indian defense services are also listed.