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 De Opperbevelhebber van Land- en Zeemacht met zijn Staf gedurende de mobilisatie van het leger in 1914. (Opname door Het Leven). Poolse marine 1970. Onderzeebootjagers op oefening. Amerikaans vliegdekschip valt Duitse scheepvaart aan in Noorse wateren
