X-Nico

unusual facts about HMS M21


HMS M21

She was laid down at the Sir Raylton Dixon & Co. Ltd shipyard at Govan in March 1915, launched on 27 May 1915, and completed in July 1915.


Archibald Murray

However the six British tanks, the British heavy guns and naval gunfire from the French coastal defence ship Requin and two British monitors (M21 and M31) did little damage and only served to warn the Turks of the imminent British attack which faltered at all points.


see also