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 Aleppo SS "Aleppo" was a British passenger cargo vessel, launched on 1 November 1864, measuring 292.5 feet by 38.2 feet, 2,057 gross tonnage, built in Glasgow by J & G Thomson Govan. Its first North Atlantic voyage from Liverpool to Halifax to New York City launched on 15 September 1865. The Aleppo contained accommodations for 46 first class and 593 third class passengers. The ship was commissioned for the British and North American Royal Mail Steam Packet Co, Liverpool and transferred to the Cunard Line on 7 September 1878.