Weirdly, it is canonical that the br*tish royal navy still existed alongside the United Earth Starfleet as late as the mid 2100s since Malcolm Reed mentions having considered joining it instead.
I like to think they have that coastgard because they have to defend their coasts from relentless waves of orcas that are taking revenge on humanity for killing all the whales.
Weirdly, it is canonical that the br*tish royal navy still existed alongside the United Earth Starfleet as late as the mid 2100s since Malcolm Reed mentions having considered joining it instead.
afaik its more like a coast guard
Keeping the British safe from Portuguese Man-O'-Wars and the dreaded Sea Lion
I like to think they have that coastgard because they have to defend their coasts from relentless waves of orcas that are taking revenge on humanity for killing all the whales.