Tech. Sgt. Glenn Lesher performs preflight launch checks on F-22 Raptor 11. The "OT" on the tail designates the Raptor as an operational test vehicle. An April 29, 2004, mission tested two Raptors for the first time in the sky over Edwards Air Force Base, Calif. Sergeant Lesher is ...
美国F22战机 VS 中国歼20战机:势均力敌 The US claims China has been stealing US technology to make their own copycat of the F-22 Raptor, known as the J-20 Mighty Dragon. We compare the stealth, accuracy, and radar technology of the two fighter jets. 美国声称中国一直在窃取美国的技术,造...