BRITAIN'S biggest warship by numbers
l Cost £3.1 billion.
l Took five years to build.
l More than 10,000 workers involved from more than 100 companies.
l Fully operational by 2020.
l Can carry 40 jets and helicopters.
l Weighs 65,000 tonnes.
l Crew of 679 but has capacity for 1600.
l At 56m high, it is taller than Niagara Falls.
l Her 280m long flight deck is size of 60 tennis courts.
l Four jumbo jets could stand alongside each other on 70m wide deck.
l Carries enough fuel to transport family car to moon and back 12 times.
l Has range of 10,000 nautical miles.
l Fitted with long-range 3D radar, can track more than 1000 targets at once and can spot tennis ball travelling at 2000mph.