However, not all is rosy with this system.
From the Beeb:
Destroyers 'late and over budget'
The first of the destroyers, HMS Daring - which was launched in 2006 - is without its full communications system and will not get its new principal anti-air missile system (PAAMS) - which can shoot down multiple enemy aircraft or missiles simultaneously - until 2011.
It will have to wait until 2014 to be fitted with the co-operative engagement capability (CEC), which links together weapons systems and sensors on a number of ships, improving their ability to work together in combat.
The NAO said these delays would leave the Navy "struggling" to make do with its ageing Type 42 destroyers, which were designed and built for the Cold War and which the Type 45 is set to replace.
Now what was it that nice Mr Ingram said about the introduction of the Type 45 from 2007 (sic) mitigating against the loss of air defence when the
Sea Harrier got axed?
Of course, the MOD put their own spin on it.
Royal Navy's Type 45 project progressing well
PS Navaleye nothing happens when I click on your link.