HMS Dragon is the fourth of six Type 45 destroyers for the Navy.
- The first, HMS Daring, was commissioned in July 2009
- The fifth, HMS Defender, is to arrive in Portsmouth for the first time this summer
- All six set to be in service by the middle of the decade
More top news
The US is "fully prepared" to launch a military conflict with North Korea, Donald Trump has warned.
Windy wet weather works its way in
Jeremy Corbyn has told ITV News that the possibility of a run on the pound if Labour takes power is a "serious" concern.