Originally Posted by Flingwing207
Like: High-Mobility Multipurpose Wheeled Vehicle - HMMWV - "Humvee"
And, of course, UH-1 became 'Huey' in GI slang. (Although I've seen some sources which state that the original code was HU-1, which would make the nickname more obvious).
Originally Posted by Revolutionary
Early AStar models: the DeathStar.
Also, the Falling Star. (For the same reasons).
For the 206, swap the 'R' with a 'B' and you get the v. affectionate, 'JetBanger'!