Kalliope belonged to famous Liberty ships type. The Liberty ships were ships built in the USA during WWII. They were british in concept but adapted by USA, cheap and quick to build, and came to symbolize U.S. wartime industrial output. Based on vessels ordered by Britain to replace ships torpedoed by German U-boats, they were purchased for the U.S. fleet and for lend-lease provision to Britain. Eighteen American shipyards built 2,751 Liberties between 1941 and 1945, easily the largest number of ships produced to a single design. With length of 133 m and width of 15 m was Kalliope able to carry up to 10 000 tons in 5 cargo holds. This vessel served during WWII and after the war was sold to greek company - Panagos D. Patera. On of her journeys took her to Rijeka. Unfotunately the captain didn't follow chart and on 20th of December 1947 hit sea mine and was sunk close to the city of Brsec.Kaliope now lies in 43 - 62 meters. Visibility is usually very good, sometimes there is a weak current.