Now that a deal has been struck with Mauritius over the Chagos Islands, the government’s focus should be on the UK’s southernmost overseas territories. There are three of them: the Falkland Islands, South Georgia and the South Sandwich Islands (SGSSI) and the British Antarctic Territory (BAT). As increasingly tense geopolitics make the world more hostile, these territories are becoming ever more vulnerable. If Britain wants to secure its presence here in the face of the looming shadows of Argentina, Russia, China and the US – to name a few – Labour urgently needs to start thinking about how it does so.