Early 1980s - Sea Dart medium surface to air missile taken from HMS Invincible.
<a href="//commons.wikimedia.org/wiki/User:Griffiths911~commonswiki" title="User:Griffiths911~commonswiki">Ken Griffiths</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>