Interior view of a submarine in course of construction Shipping projectiles (15") An officer on a submarine fixing a message to the leg of a carrier-pigeon The pilot of a British seaplane which is resting on the water and is in need of assistance, writing a message for help which he … Putting pigeons aboard [...] A pigeon entering its loft with a message. It is stepping off the board which rings a bell for the attendant when the pigeon steps … Pistol drill on a British man of war Some of the British fleet steaming out to sea Submarine interiors. Foremost torpedo tubes Prins Bernhard spreekt met officieren van de Royal Navy tijdens de herdenkingsceremonie van de Duitse inval van 10 mei 1940 Guns (15in.) and --------- ahead Signalling from the foretop in the North Sea
