Night firing 12" full charge. H.M.S. "Hercules" 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 Sneeuwruimen aan dek - British carrier "Fencer" escorts convoys to Russia - British Official Photograph, serie A Swordfish klaar voor de start in een sneeuwstorm - British carrier "Fencer" escorts convoys to Russia - British Official Photograph, serie A