Which British shipping line has a full title incorporating Boston Packers, and operated the SS Justicia?
SS Justicia SS "Justicia was a British troopship sunk during the First World War. She was laid down as SS "Statendam, a 32,234 gross-ton ocean liner built for the Holland America Line by Harland and Wolff in Belfast. Before the ship was completed she was acquired by the British government and operated on behalf of the shipping controller by the White Star Line.
SS Umona SS "Umona" was a British cargo liner. She was built at Sunderland on the River Wear in 1910, survived the First World War and was sunk by enemy action off Sierra Leone, West Africa in 1941.