§ Mr. Peter Archerasked the Minister of State for Defence for what purpose an electronic noise machine was first used by British forces, in 1963, other than for training.
§ Lord BalnielDuring the interrogation operation in 1963 noise was used to ensure the security of the detainees by preventing them communicating with or overhearing each other, and of the interrogation centre by masking external noise and preventing the passing of information from outside sources.