Geier was a British cargo ship named Saint Théodore that was captured by the German commerce raider in the North Atlantic Ocean at on 12 December 1916. First put into Imperial German Navy service as an auxiliary ship on 14 December 1916, Geier was commissioned as an auxiliary cruiser () on 28 December and operated in the South Atlantic Ocean until 14 February 1917, when she was scuttled near Ilha da Trindade. References 1913 ships Ships built on the River Clyde World War I cruisers of Germany Maritime incidents in 1916 Auxiliary cruisers of the Imperial German Navy World War I commerce raiders Maritime incidents in 1917 World War I shipwrecks in the Atlantic Ocean Scuttled vessels of Germany