The letter is an insight into what Spain was trying to do after Brexit The proposal would have seen Gibraltar residents get Spanish as well as British citizenship. Its defence, foreign + immigration policies would be decided by Madrid as well as London. And the border would go.
The new, cutting-edge Fast Patrol Craft procured for the Gibraltar Squadron will be used to patrol HMNB Gibraltar and British Gibraltar Territorial Waters (BGTW), keeping close watch over Gibraltar’s shores.
British Airways passenger complains about lack of social distancing on 'packed' flight from Heathrow to Gibraltar
LATEST: British special forces seized a supertanker off Gibraltar suspected of carrying Iranian oil to Syria in violation of European and U.S. sanctions. Here's a thermal image of Royal Marines boarding the ship⬇️
EU Council draft of offer of visa free travel to British citizens after Brexit (if reciprocated to all EU27 citizens) - they have added (ie Spain has insisted) a footnote “Gibraltar is a colony of the British crown” and controversy over sovereignty, solution yet to be reached