Dubris there at anchor "until the ninth hour" (about 3pm) waiting for his supply ships from the second port to come up and meanwhile convening a council of war, he ordered his subordinates to act on their own initiative and then sailed the fleet about seven miles along the coast to an open beach. The Roman fleet in British waters, the "Classis Britannica"'s main purpose was protecting the Gaul-to-Britain routes and supporting the land army in Britannia, not defending the British Isles from invasion. For this reason, its main harbor was in Gesoriacum (Boulogne), not Dover. However, it did have other,
Dubris smaller bases in Britannia itself, at Rutupiae and Dubris. Two lighthouses, each called the Pharos, were built soon after the conquest. Proposals of their date range from 50 (only seven years after the invasion of 43), 80 or (since the building includes tiles identical to the mansio in the town built at that date) c. 138, though the general consensus is for a 1st-century AD date. They were sited on the two heights (Eastern Heights and Western Heights) and modelled on the one built for Caligula's aborted invasion at Boulogne. The one on the Eastern Heights still stands in the