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
Castle Rock, Morrow County, Oregon and renamed "Castle". Castle Rock was above sea level, whereas Castle is at . Castle Rock and Castle are downstream (west) of Boardman and due south of Crow Butte in Benton County in the U.S. state of Washington. Running along the Columbia, Interstate 84 passes by Castle. Castle Rock, Morrow County, Oregon Castle Rock was a historic unincorporated community, post office, and railway station in Morrow County, Oregon, United States. They were named for a low bluff along the Columbia River that was said to look like a castle as seen from the river. The Castle Rock railroad station opened