C-3 was a C-class submarine of the Spanish Republican Navy. C-3 was built by Sociedad Española de Construcción Naval (SECN) in Cartagena, Spain, launched 20 February 1929, and commissioned on 4 May 1929. She took part in the Spanish Civil War on the government side before being sunk by the German submarine U-34 on 12 December 1936.
C-3 alongside Submarine Rescue Vessel Kanguro
The Spanish Republican Navy was the naval arm of the Armed Forces of the Second Spanish Republic, the legally established government of Spain between 1931 and 1939.
Republican sailors playing musical instruments on board battleship Jaime I, Almería, February 1937.
The seaplane carrier Dédalo
Submarine rescue ship Kanguro and Spanish submarine C-3 at Cartagena naval base before the submarine was sunk by German submarine U-34
Cruiser Emperador Carlos V was no longer in active service during the Republic. It was used as a pontoon for exercises