http://www.ufoandparanormalnews.com/Government-Stories/oval-object-emitted-sound-of-dog-whistle/ Roger MarshTwo South Carolina witnesses in Greenwood report a large, black, oval-shaped object moving overhead with four lights that emitted the sound of a "dog whistle", according to March 8, 2011, testimony from the Mutual UFO Network (MUFON)...March 09, 2011 Sun, 13 Mar 2011 12:30:51 UTC en