"Leander" Class (Batch 1) Type 12 I (Improved) (but originally designated Type 81) General Purpose Frigate 'HMS Penelope', 2,500 tons, launched 1962, completed 1963. In 1973 she was converted to a trials ship fpr the Sea Wolf A/A missile system which was fitted in place of her 4.5" gun turret. In December 1977 this was in turn replaced by an Exocet anti-ship missile launcher.  At the Plymouth Navy Day, Devonport Dockyard, 08/77. Scanned slide.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/58433307@N08">Hugh Llewelyn</a> from Keynsham, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/camperdown/26717072617/">HMS Penelope</a>