HMS Invincible and HMS Hermes - both of which have now been scrapped.

That would be 20,600 tonnes.

The vessel HMS Ocean is slightly larger, at 21,758 tonnes of displacement.

HMS Duke of York HMS King George V

HMS Ruler

HMS Speaker

HMS Newfoundland

HMS Whelp

HMS Wizard

HMS Wager

HMS Terpsichore

HMS Tenacious

HMS Teazer

HMS Quality

HMS Derg

HMS Crane

HMS Whimbrel

Currently the HMS Illustrious, is now helicopter based assault carrier. The HMS Royal Ark was decomissioned spring of 2011. The Royal Navy has commissioned the Queen Elizabeth class super carriers and two are being built now, with the first expected to join service in 2016 and the second 2018.

To give you an idea of the difference in the carriers, the Illustrious is 2,000 long tons (22,000 t) with4 Olympus gas turbine engines, 2 Shafts.

The new carriers (first will be the HMS Queen Elizabeth, the second HMS Prince of Wales) will be 65,000 long tons (66,000 t) powered by 2 x Rolls-Royce MT30 Gas Turbines.

No matter where we are (yea), No matter just how far are paths may lead

We don't need no shields, Love is the armour that we need

We're invincible (we are), Invincible (you are)

Invincible, Loves our protector

Invincible (we are), Invincible (you are)

Invincible, We're invincible