High Quality Content by WIKIPEDIA articles! Stealth aircraft use stealth technology to avoid detection by features to interfere with radar, as well as to reduce visibility in the infrared, visual, audio, and radio frequency (RF) spectrum. Development of stealth technology likely began in Germany during World War II. Well-known modern examples of stealth aircraft include the United States` F-117 Nighthawk (1981–2008), the B-2 Spirit, the F-22 Raptor, and the F-35 Lightning II.