The first of these stealth aircraft was the F 117.Built in secret to deny potential opponents the opportunity to develop countermeasures,the F-117 became operational in the early ls and did not get its first real trial by combat until the Gulf War.

• 第一种隐形飞机是F117。为防止对手研制出对抗设施，F117的生产十分保密。该飞机于80年代初开始投入使用，而首次真正接受作战检验还是在海湾战争中。