While the Swedish marine survey company Marin Matteknik was patrolling the Baltic sea, the wreck of a submarine belonging to the British army that sank in Estonian waters during WWI has been found near Hiiumaa, the second biggest Estonian island in the South-Western coast.

Spokesperson of the company, Ola Oskarson said that being the wreck in International waters, it has to be considered as a United Kingdom.

The submarine was originally sent with the purpose of helping the support the Russian navy in attempt for stopping the German shipment of iron from Sweden and sank with 33 members of the crew inside.