The techniques of achieving low maneuverability, or stealth as it's popularly known

Technology in US helicopter not so secret: expert, AFP, 9th May 2011.

"The techniques of achieving low maneuverability, or stealth as it's popularly known, are fairly well understood."

The "expert" in this case is Mr. LockMart Institute himself, Loren B. Thompson. I think LBT understands quite well that the days of the "wobbling goblin" are long over and that this is most likely the result of a dial-by interview along with a transcription error.

-HJC