Why a pub beside a naval base attracts steady custom

How much trade would a pub immediately outside a Royal Navy base receive?

It would attract substantial naval custom, with its events and location making it part of the base's social life.

A pub immediately outside a naval establishment is expected to receive substantial custom from sailors. Its proximity makes it a natural meeting place, and a variety of social events adds to the attraction. Good behaviour by British sailors is also expected in the home-port setting described here.