<i>The Royal Navy during the Second World War</i><br>
The Home Plot in the operations room at Derby House, Liverpool, showing Irish Sea convoy movements. It was in this room that the Battle of the Atlantic was planned throughout the Second World War.
Parnall, C H (Lt), Royal Navy official photographer
between 1939 and 1945 <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/7,P1319,+1939-00-00T00:00:00Z/9,P1326,+1945-00-00T00:00:00Z/9</div>
<p><a rel="nofollow" class="external free" href="http://media.iwm.org.uk/iwm/mediaLib//31/media-31115/large.jpg">http://media.iwm.org.uk/iwm/mediaLib//31/media-31115/large.jpg</a>
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<table style="width:100%; border:1px solid black; background:#E0E0E0; padding:0; text-align:center;"><tbody><tr><td align="left"><img alt="IWMLondonThumbnail.jpg" src="https://upload.wikimedia.org/wikipedia/commons/c/c3/IWMLondonThumbnail.jpg" decoding="async" width="80" height="54" data-file-width="80" data-file-height="54"></td>
<td>This photograph <a rel="nofollow" class="external text" href="https://www.iwm.org.uk/collections/item/object/205187555">A 28352</a> comes from the collections of the <a rel="nofollow" class="external text" href="https://www.iwm.org.uk/">Imperial War Museums</a>.
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<td align="right"><img alt="Flag of the United Kingdom (3-5).svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Flag_of_the_United_Kingdom_%283-5%29.svg/80px-Flag_of_the_United_Kingdom_%283-5%29.svg.png" decoding="async" width="80" height="48" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Flag_of_the_United_Kingdom_%283-5%29.svg/120px-Flag_of_the_United_Kingdom_%283-5%29.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Flag_of_the_United_Kingdom_%283-5%29.svg/160px-Flag_of_the_United_Kingdom_%283-5%29.svg.png 2x" data-file-width="177" data-file-height="106"></td></tr></tbody></table></div>