Which technology can detect and engage targets beyond the range of human vision?

Radar technology is specifically designed to detect and engage targets at significant distances that exceed human vision capabilities. It operates by emitting radio waves that propagate through the atmosphere and reflect off objects, allowing for the detection of their location, speed, and other characteristics. Unlike visual systems, which rely on light and are limited by factors such as weather conditions or the range of the human eye, radar functions effectively in various environments—day or night, fog or rain—making it a reliable choice for long-range target engagement.

This capability sets radar apart from other options. Infrared sensors generally detect heat sources and can have limitations in range and visibility conditions. Optical systems, which depend on visible light, are bound by the same limitations as human vision, including distance, lighting, and weather conditions. Acoustic sensors are typically used for detecting sound within a limited range and are not as effective as radar in engaging distant targets. Therefore, radar stands out as the technology most suited for engaging targets beyond the reach of human eyesight.