<p>British 4-inch submarine gun in the Clandestine Immigration and Naval Museum, Haifa, Israel. Guns of this type were mounted on INS Tanin and INS Rahav (British S class).
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<br>Comment : This appears to be the post-WWII Mk XXIII variant with short 33-cal barrel.
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<span class="int-own-work" lang="en">Own work</span>