The first crew member of the "largest and most powerful warship" ever commissioned by the Royal Navy is to join the ship.
The HMS Queen Elizabeth was built in Glasgow and Portsmouth before being taken to Rosyth, Fife where it is currently being assembled.
On Tuesday, Royal Navy Leading Hand Claire Butler will become the first crew member to join the aircraft carrier. The 29-year-old will be officially welcomed by Rear Admiral Steve Brunton and handed the first HMS Queen Elizabeth hat band.
The ship is due to be completed by 2016, with another aircraft carrier, HMS Prince of Wales, following later.
Each of the carriers will be utilised by all three sectors of the Armed Forces and will provide a four-acre operating base which can be deployed worldwide, and will be able to be used in battle and to provide humanitarian aid and disaster relief.
The decommissioning of former Royal Navy flagship HMS Ark Royal last year and the conversion of HMS Illustrious into a helicopter carrier means the UK will have no fixed-wing carrier aircraft capability until 2020 - when HMS Queen Elizabeth should be ready for active service.