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.
HMS Ben-my-Chree HMS "Ben-my-Chree" (Manx: "Woman of My Heart") was a packet steamer and a Royal Navy (RN) seaplane carrier of the First World War. She was originally built in 1907 by Vickers for the Isle of Man Steam Packet Company and was intended for use on the England–Isle of Man route. She was the third vessel to bear her name. To this day "Ben-my-Chree" holds the crossing speed record from Liverpool to Douglas for a steamship at under three hours.