Pointer, Predator, Raven, Reaper, Searcher, Sentry, Shadow, SilverFox, Skylark, Sky Warrior, Snowgoose, Sperwer, Sofar, Swift, Tern, TigerShark, Watchkeeper, Wasp, Yastreb.  The most famous is the Predator . One of the most pronounced features of the Predator drone is its inverted V-Tail shown in the photograph on the left.  A vertical stabilizer