On board the Royal Navy's biggest warship HMS Ocean
Page last updated at 06:22 GMT, Tuesday, 14 August 2012 07:22 UK
- A month into its two-month stay at Greenwich on the River Thames in London, Newsbeat has gained access to the Royal Navy's largest warship - HMS Ocean.
- During the Olympics around three helicopter launches were made each day from the flight deck of HMS Ocean. The crews have been helping police to carry out security checks over London.
- HMS Ocean has been home to around 900 military personnel who've been involved in helping with security during the Olympics. They'll stay in London until after the Paralympics.
- The hangar of the amphibious assault ship is used to store helicopters, other equipment and also as a gym for the crew. Special events like film screenings also take place in the hangar.
- The bridge is the area where the ship's main navigation systems are located. HMS Ocean's home port is Devonport in Plymouth and it was built in the mid-1990s.
- This is one of the ships control points. It's used to detect emergencies, like a fire on board. HMS Ocean was sent to the Mediterranean last year as Allied forces bombed Libya.