Original sentence: Cunningham's next major assignment took him back across the North Sea and well into the Arctic circle to the port of Tromsø on 7 June in order to rescue King Haakon VII, Crown Prince Olav, and other members of the Norwegian royal family, along with government ministers and the country's gold reserve
Edited sentence: Cunningham's next major assignment took him back across the North Sea and well into the Arctic circle to the port of Tromsø on 7 June in order to rescue King Haakon VII, Crown Prince Olav, and other members of the Norwegian royal family, along with government ministers and 50 tons of the country's gold reserve