Pyongyang Sally was an English-speaking woman on North Korean radio stations who broadcast propaganda to U.S. troops during the Korean War. This was used with other forms of propaganda including air-dropped leaflets.
Walter J. Boyne, Philip Handleman, Brassey's Air Combat Reader, Brassey's, 2001, ISBN1-57488-243-0, page 157, retrieved from Google Books, 05-17-2009
Walter J. Boyne, Aces in Command: Fighter Pilots As Combat Leaders, Brassey's, 2001, ISBN1-57488-401-8, page 138, retrieved from Google Books, 05-17-2009
