What is the Sentinel radar?

What is the Sentinel radar?

• A. S-band radar used for weather detection
• B. X-band radar system that detects, tracks, classifies, and identifies air threats and provides targeting data.
• C. Infrared search and track sensor
• D. Sonar array for underwater detection

Answer: (B)

Sentinel radar is an X-band radar system designed for air defense. It detects air targets, tracks their movement, classifies what they are, and identifies them, then provides the targeting data needed for interceptors. The high-frequency X-band gives it fine resolution, which helps distinguish multiple threats in clutter and yields precise measurements of range, bearing, and speed. This sensor data feeds the fire-control system so weapons can be aimed and engaged accurately. It’s not a weather radar (that uses S-band), not an infrared search-and-track sensor (which is passive and detects heat signatures), and not a sonar system (used underwater).

Sentinel radar is an X-band radar system designed for air defense. It detects air targets, tracks their movement, classifies what they are, and identifies them, then provides the targeting data needed for interceptors. The high-frequency X-band gives it fine resolution, which helps distinguish multiple threats in clutter and yields precise measurements of range, bearing, and speed. This sensor data feeds the fire-control system so weapons can be aimed and engaged accurately. It’s not a weather radar (that uses S-band), not an infrared search-and-track sensor (which is passive and detects heat signatures), and not a sonar system (used underwater).