Chinese military researchers have reportedly mastered a type of radar they say can detect stealth aircraft, which are designed to be invisible to normal radars. What’s more, they say the radar is protected against anti-radiation missiles, too.

Axar.az reports citing Sputnik.

The lead researcher on a maritime radar team who developed the radar system, Liu Yongtan of the Chinese Academy of Sciences and Chinese Academy of Engineering, told Naval and Merchant Ships magazine in an interview last month that their high-frequency surface wave radar (HFSWR) can detect stealth aircraft over the horizon and under any weather conditions.

However, Liu claims to have overcome all that.

Because modern stealth aircraft, like the US’ F-35 and F-22, or China’s J-20 and J-31, were designed to hide from the predominantly-used microwave radar systems, they have zero protection from long-wave radars, he told Naval and Merchant Ships, according to the Global Times. That same property also protects the radar stations from anti-radiation missiles, which are designed to home in on radar emissions and destroy them.