The US Air Force F-22 Gets New Target Tracking Radar
Scout Warrior - Aug 6, 1:19 AM
Upgraded radar, weapons and cybersecurity technology are being engineered into the F-22 is designed to enable the stealth fighter to counter attacks from emerging future enemy threats, dogfights successfully against Russian and Chinese 5th-generation stealth fighters, and fly successfully well into the 2060s.
For example, newer F-22s have a technology called Synthetic Aperture Radar, or SAR, which uses electromagnetic signals or “pings” to deliver a picture or rendering of the terrain below, allow for better target identification.
http://scout.com/military/warrior/Article/The-US-Air-Force-F-22-Gets-New-Target-Tracking-Radar-101457984