| | Navy Matters | Type 45 Section |
 | | The main mission of Horizon frigates is to provide air-defence escort for a carrier battle group led by a Charles de Gaulle type aircraft carrier, or for a group of unarmed or lightly-armed ships, such as an amphibious or a mine-hunting force. |
 | | The one criticism of the class was that they seemed under-armed for their size and cost, and so the Exocet missile system was installed on all ships after the first three, and those would be fitted with it at there mid-life refits (although Antelope was sunk during the Falklands conflict). |
 | | The Type 22 frigates are among the most successful warships built for the Royal Navy since 1945, but there continued evolution has led to a ship that is probably closer to a cruiser or destroyer (in terms of capability and cost) than a simple frigate, particularly in their weapons fit. |
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