305mm Guns of Fort Copacabana

Fort Copacabana is a military base at the south end of the beach that defines the district of Copacabana, Rio de Janeiro. The base is open to the public and contains the Museu Histórico do Exército (Museum of the History of the Army) and a coastal defense fort that is the actual Fort Copacabana.

The name of the cupola with the 305mm guns is "Duque de Caxias", and the guns are named "Barroso" and "Osório". This cupola is behind and above that of the 190mm guns so that it can fire over them. The 305mm Krupp guns could fire a shell of some 445 kg a distance of up to 23 km. The name of the cupola with the 190mm guns is "André Vidal". These guns could fire from 200meters to 18.2km.