Type 23 frigate
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The Type 23 frigate or Duke class is a class of frigates built for the United Kingdom's Royal Navy. The ships are named after British Dukes, thus leading to the class being commonly known as the Duke
HMS Sutherland in December 2012
Overhead view of HMS Richmond in August 2013
The Type 23's propeller is specially designed to reduce underwater noise during anti-submarine operations.
Type 997 Artisan 3D radar on HMS Argyll following her 2010 refit
Type 22 frigate
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The Type 22 frigate also known as the Broadsword class was a class of frigates built for the British Royal Navy. Fourteen were built in total, with production divided into three batches.
Type 23 frigate
…Navy's surface ship anti-submarine force. The procurement of the class was announced in the 1981 Defence White Paper as "simpler and cheaper than the Type 22 [with] its characteristics... framed with an eye to the export market as well as Royal Navy needs." The ship was designed by the Royal Corps of Naval…
HMS Beaver, 30 June 1986
Rademaker, formerly Battleaxe, a Type 22 frigate of the Brazilian Navy
HMS Campbeltown, displaying some of the external differences of the Batch 3 units; the 4.5-inch gun instead of Exocet launchers, and the Goalkeeper CIWS visible in front of the foremast.