Flying trials with helicopters and the F-35B Lightning II will start in 2018.
The Royal Navy and the Royal Air Force have already been undertaking 'at sea testing' with F-35B's on board the USS Wasp.
HMS Queen Elizabeth will have operational Carrier Strike Capability in 2020.
On Facebook The Royal Navy released this animation showing how HMS Queen Elizabeth will depart Rosyth with only 40cm to spare on either side:
During her estimated 50-year working life, HMS Queen Elizabeth could be pressed into action for various work such as high-intensity war fighting or providing humanitarian aid and disaster relief anywhere in the world.
A second carrier, the Prince of Wales, is expected to enter service in 2019.