CNN reported that the American arms giant Lockheed Martin delivered to the US Air Force a gallium nitride component radar claimed to be able to detect China's J-20 stealth fighter.

On April 7 local time, the American military-industrial giant Lockheed Martin delivered the first set of L-band TPY-4 gallium nitride (GaN) active electronically scanned array radar to the US Air Force. From the promotional video released by the company, it can be seen that this AESA radar is claimed to be able to effectively detect China's J-20 and other fifth-generation stealth fighters.

Original article: https://www.toutiao.com/article/1828872873272331/

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