
Private Sidney Herbert Greenaway, Ch 13484, Royal Marines Light Infantry - H.M.S. Pathfinder
29/06/2025
Killed in action when H.M.S. Pathfinder was torpedoed and sunk by the German submarine U-21 - the first ship to be sunk by a self-propelled torpedo fired by a submarine
CWGC thanks Noonans Mayfair Ltd for this story.
Sidney Herbert Greenaway was born in Rickmansworth, Hertfordshire, on 27 September 1882 and attested for the Royal Marines Light Infantry on 1 September 1902.
Drafted to the cruiser H.M.S. Pathfinder on 1 October 1913, Sidney was serving in her during the initial stages of the Great War and killed in action when she was torpedoed and sunk by the German U-boat U-21 off St. Abb’s Head in the Firth of Forth on 5 September 1914. Pathfinder sank within four minutes with the loss of nearly all hands, including 18 Royal Marines - the first ship to be sunk by a self-propelled torpedo fired by a submarine.
Sidney is commemorated on the Chatham Naval Memorial.
