Multiple B-2 stealth bombers were headed to Guam Saturday, according to two sources familiar with their movements. At this point, the U.S. aircraft have no orders beyond that, the sources said.

经过多年的秘密研发后，美国首次公布了其最新的核隐形轰炸机。 The B-21 Raider stealth bomber is unveiled at Northrop Grumman Friday, Dec. 2, 2022, in Palmdale, Calif ...

上文中的stealth jet fighter就是指“隐形战机”，也称为radar-eluding fighter jet，顾名思义，就是能躲过雷达探测的战机。类似的还有stealth bomber（隐形轰炸机）。这里的stealth除了可以指飞机“隐形的”，还可以用作名词，意思是“不声张的活动，秘密行动”。