He says his political enemies have been conducting a 'stealth' [='secret'] campaign to block his nomination.
The fox uses 'stealth' and cunning to hunt its prey.
a 'stealth' bomber/fighter
(..) are just a few of the many species you will learn to fight! - The Deadly Nadder! - Speed , armor . The Hideous Zippleback. Plus stealth. Times . - The Monstrous Nightmare. - Firepower . - The Terrible Terror. - Attack , venom . Can you stop that?! (..)2010 How to Train Your Dragon