Most transatlantic cables go through or close to Ireland, making its waters particularly vulnerable to attack Most transatlantic cables go through or close to Ireland, making its waters particularly vulnerable to attack The UK has signed a “rebooted” defence agreement with Dublin that could mean the Royal Navy responding to hostile ships and other issues in Irish waters. The deal, announced at the second post-Brexit Ireland-UK summit, held in Cork on Friday, updates a 2016 agreement to include