Categories Articles China is working hard on its ‘F-22 killer’ and other radars to better track US stealth aircraft Post author By crystalg Post date April 23, 2021 Business Insider Business Insider Tags 'F22, 'Killer', aircraft, Better, China, Hard, radars, stealth, track, working ← Here’s What It Is Really Like to Go on ‘Shark Tank’ → Scientists confirm humans can transmit COVID-19 to cats