The article describes the history of the birth of a torpedo, the roles of Robert Whitehead and Giovanni Lupis, specifies the technical characteristics of the first samples, and analyzes the difficulties faced in their development, and gives some samples of alternative products of this purpose.
On the basis of the documents in the Peruvian reconstructed the career of destroyer "Almirante Villar" and "Almirante Guisse." In 1933 they were acquired in Estonia and participated in the Ecuadorian-Peruvian and World War II.
For almost 90 years the sail training ship of Spanish Navy "Juan Sebastían de Elcano" is in service. The article describes the history and design of this ship, the system of Spanish "Guardiamarinas" education.