>HMS Barbican - The Royal Navy has a tradition of naming its
>most significant shore installations as if they were ships (the
>traditional term is "stone frigate").

The reason for this is that according to legislation, all ratings and officers "must serve afloat". It's also the reason that the museum ship HMS Victory has a rather REMARKABLY oversized company. Pretty much everyone that isn't specifically assigned to an HMS location, but instead serves in, for instance, the MoD, is assigned to Victory.

...!
Gott's Leetle Feesh in Trousers!