There are 6 Daring class Type 45 Destroyers of 8000-8500 tons displacement. Their main role is that of Air Defence Guided Missile Destroyers.
Type 45s are 8,500tons displacement, 500ft long, speed 30+kt and a range of 7,000 nautical miles. The crew complement is 191. They can operate 2 Lynx HMA8 or 1 Merlin helicopter.
These are very powerful warships that can operate 1 Merlin or 2 Lynx HMA8 helicopters.