wild weasel

Genericization of the codename Wild Weasel of the first aircraft tasked with the anti-SAM role in the USAF during the Vietnam War. From the dancing of weasels in the wild and their behavior of hunting snakes, contrasted with the maneuvering of the wild weasel aircraft and their hunting of SAMs.

wild weasel (plural wild weasels)

1. (US, military, aviation) An attack airplane specialized for attacking anti-aircraft defenses (AADs), typically surface-to-air missile (SAM) sites and radar control stations, typically with anti-radiation missiles (ARMs).
2. Used other than figuratively or idiomatically: see wild,‎ weasel.