HMS Hever Castle (K521) depth on the fuses of the projectiles until the moment of firing. A single Squid-launched attack had a success rate of 25%. The class was also provided with HF/DF and Type 277 radar. "Hever Castle" was ordered on 23 January 1943. The ship, named for Hever Castle in Hever, Kent, was laid down on 29 June 1943 and launched on 24 February 1944. At some point in 1943, the ship was transferred to the Royal Canadian Navy. The corvette, renamed "Copper Cliff" after a suburb of Sudbury, Ontario, was commissioned into the Royal Canadian Navy on 25 February 1944 with
Bolebroke Castle Bolebroke Castle Bolebroke Castle is a 15th-century hunting lodge located north of the village of Hartfield, East Sussex, England. It is a grade II* listed building. The house was built around 1480. Henry VIII is said to have stayed at Bolebroke when he went hunting for wild boar and deer in nearby Ashdown Forest. It lies only from Hever Castle and was the base from which King Henry conducted his courtship of Anne Boleyn. The house was used as a location in the 2008 film "The Other Boleyn Girl". The Bolebroke Castle Miniature Railway was located within the castle grounds.