In Act I, the witches told Macbeth that he would become the thane of Cawdor, and then the king of Scotland.
HMS Imperieuse (1883) was an Imperieuse-class armoured cruiser launched in 1883. She was converted into a depot ship in 1905 and renamed HMS Sapphire II. The name reverted to Imperieuse in 1909 and she was sold in 1913.
She was commissioned on 17 July 1975, and was the unit of the class never to be fitted with Exocet launchers. In 1977, she attended the Silver Jubilee Fleet Review, at this time she was part of the 7th Frigate Squadron. Antelope took part in the Falklands War arriving in the area of operations on 21 May 1982.