"O" or "Oberon" Class submarine "HMS Osiris", 2,030 tons, launched 1964, completed 1965. At the Portsmouth Navy Day, 08/80. 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/43718959841/">HMS Osiris</a>