He wrote maritime-themed short stories and contributed to the Polish merchant marine service before and during the Second World War.

[2] After training, he took a reserve officer course at the Navy Cadet School in Toruń, but he later was forced to resign due to an injury he had sustained at the age of 15 in the Polish-Soviet war.

[2][3] Borchardt served in the Polish Merchant Marine as an officer on transatlantic liners and training sail ships.

During World War II, he served on two Polish liners converted into troop transports (the m/v Piłsudski and the m/v Chrobry)[2] and survived the sinkings of both.

In it, Borchardt details his experiences on ships named Lwów and Dar Pomorza and includes information about the Polish Navy.