HMS Protector is one of the Royal Navy’s Ice Patrol and Survey Vessels, and was commisioned into the Royal Navy on June 23 2011. She is the Ex Polarbjørn an is on a 3 year charter to replace the HMS Endurance which was almost lost in a flooding accident in 2008.
HMS Endurance provided a sovereign presence in polar waters, performed hydrographic surveys and supported the British Antarctic Survey. These Tasks are now assigned to HMS Protector. Both Endurance and Protector are commercially built ice class offshore support vessels.