Britain's largest and most powerful warship HMS Queen Elizabeth has officially joined the fleet at Portsmouth Naval Base.
Her Majesty will arrive on-board the ship to be welcomed by a Royal guard of 96 sailors and officers. Here they are practising for the big day:
Flags flying on the super-carrier spell out 'Commissioning 17'
HMS Queen Elizabeth facts:
- Queen Elizabeth was named at Rosyth on 4 July 2014, by the Her Majesty the Queen.
- HMS Queen Elizabeth is the largest and most powerful warship Britain has ever built
- Weight: 70,000 tonnes
- Length: 920 feet (280 metres)
- Crew: 700
- Range: 8,000 to 10,000 nautical miles
- Flight deck size: four-acres
- Aircraft capacity: More than forty including Apache, Chinook, and Merlin helicopters, and the fixed-wing F35B Lightning II STOL stealth fighter
- First sea trials in June 2017
- First arrived at her home base in Portsmouth in August 2017 (berthed at the Princess Royal jetty)
- Commanded by Captain Jerry Kydd (Commodore)
- Ship motto: Semper Eadem ("Always the Same")
- Fully operational: 2020
The commissioning ceremony means HMS Queen Elizabeth is officially part of the Royal Navy fleet. After commissioning she'll carry out heavy weather sea trials in the north Atlantic and helicopter training. Towards the end of 2018 she'll sail to the US where fixed-wing trials of the F35B will take place. She'll be fully operational by 2020.