Which British shipping line has a full title incorporating Boston Packers, and operated the SS Justicia?
White Star Line The Oceanic Steam Navigation Company or White Star Line of Boston Packers, more commonly known as just White Star Line, was a prominent British shipping company.
SS Crown Arun Crown Arun was a  GRT cargo ship which was built by Actien-Gesellschaft „Neptun“ Schiffswerft und Maschinenfabrik, Rostock as Hannah Böge. She was captured at sea on 3 September 1939 and declared a war prize. Taken into service by the British Government, "Crown Arun" was torpedoed and sunk by "U-99" on 17 September 1940.