For a year Cosulich Line ran Jagiełło on a route between Genoa, Italy and Colón, Panama.

She also had a pair of Bauer-Wach exhaust steam turbines, which drove the same propeller shafts, but via double-reduction gearing and a Föttinger fluid coupling.

[8] She was equipped with wireless direction finding; echo sounding device; gyrocompass; and submarine signalling.

Doğu was renamed Lüderitzbucht, after Lüderitz Bay in South West Africa; she was registered in Hamburg;[4] and Deutsche-Afrika Linien became her managers.

She was registered in London; her UK official number was 180588; her call sign was GJZR; and City Line were her managers.

[7] In 1946, Empire Ock was transferred to the Soviet Ministry of the Maritime Fleet, who renamed her Пётр Великий ("Pyotr Velikiy"), after Tsar Peter the Great, and registered her in Leningrad (now St Petersburg).

She spent a year being refitted in Genoa, and then in 1948 entered service under Cosulich Line management; and with a mostly Italian crew; and just a few Polish officers and specialists.

[4] She joined the fleet of the Black Sea Shipping Company, who used her on passenger routes, mainly between Odessa; Sochi; and Batumi.

[4] On 20 November 1973, Pyotr Velikiy arrived in Castellón de la Plana, Spain, to be broken up by M Varela Davalillo.