HMS Endurance (A171)
MV Polar Circle was built in Norway in 1990, chartered by the Royal Navy as HMS Polar Circle, and finally purchased as HMS Endurance. She is a former Antarctic ice patrol ship, and is a class 1A1 icebreaker. She has been out of service since 2008, when she was seriously damaged by flooding following a routine maintenance error.
Read more about HMS Endurance (A171): Career, Layout, Link To Sir Ernest Shackleton, Gallery, Witness Appeal