Royal Navy Other Ships – Monitors
Unknown Monitor LOA ca. 425′ / 129.5 m based on length this is an Erebus-class monitor, and since Terror was lost in 1941, this is likely HMS Erebus herself, as the indicated date of the imagery makes no sense with other vessels present.
HMS M33 Monitor (1915) museum ship Portsmouth LOA 177′ / 53.9 m TDISP 580 tons. Veteran of Gallipoli Campaign and currently painted in Dazzle camouflage scheme