The launch of one of the 21 inch torpedoes from the port side amidships tubes on the upper deck of the light cruiser HMS 'Aurora' (1913). The photograph is taken from aft of the tubes looking forward, but only the boat davits are in the picture. A couple of merchant ships are on the horizon in the distant background.

Aurora prepared for torpedo practice at 7am on 27 September 1917 and conducted torpedo running at 10am.