A network of defensive measures specifically designed to protect against attacks from the air, usually focusing on military defense strategies.
हवाई रक्षा प्रणाली
English Usage: The field air defence system was activated to intercept enemy aircrafts.
Hindi Usage: दुश्मन के विमान को रोकने के लिए हवाई रक्षा प्रणाली को सक्रिय किया गया।