Norway and Britain on Thursday (September 4) signed a £10 billion ($13.51 billion) agreement aimed at strengthening Norway's maritime defence capabilities, marking the Nordic country's largest military investment to date.Norway, which announced the deal on Sunday (August 31), said it had chosen Britain as its strategic partner for the acquisition of new frigates, following a competitive process that included proposals from Germany, France and the United States.Norway is NATO's monitor for the vast 2 million square kilometres (772…