The Welsh Secretary David Jones and First Minister Carwyn Jones visited the Royal Navy ship HMS Dragon in Cardiff today.
The Type-45 destroyer is in the capital until Sunday to receive the Freedom of the City.
It is only the tenth time since 1886 - when records began - that the honour has been given to a public body.
The visit comes ahead of the NATO summit in Newport this September.
Some quick HMS Dragon facts:
- She's one of six Type 45 destroyers in the Royal Navy
- She can travel at a speed of 27 knots
- She has a crew of 190
- She can carry a Lynx or Merlin helicopter