PORTUS CLASSIS
The Fleet Harbour · Naval Harbour · Naval Base, Portus Lacus
"The fleet at anchor — forty-two warships in their operational configuration, the patrol craft rotating in and out on their sea lane schedules, the heavy triremes at the harbour’s inner berths — is the most complete expression of the Classis’s purpose available to any visitor admitted to the harbour frontage. I have been admitted twice. Both times I was aware that what I was looking at was both exactly what it appeared to be and not quite what the Admiral believed it to be, which is a condition I find recurring in Portus Lacus."
The Portus Classis is the operational heart of the Classis Lacensis: the fleet harbour where the forty-two warships are berthed, resupplied, and maintained, and from which the patrol schedule is executed. The harbour’s northern half holds the heaviest warships — the four heavy triremes at the inner berths, the twelve standard triremes at the main quay, and the twenty-six patrol craft whose rotation schedule has the harbour’s outer berths in continuous partial occupancy. The southern half, separated from the inner berths by the inner harbour wall, handles commercial repair customers and visiting officials at its outer quay.
The harbour’s most operationally significant feature is its patrol craft rotation: the twenty-six smaller vessels whose sea lane coverage provides the commercial fleet’s security and whose departure and return schedules constitute the base’s most regular operational rhythm. One patrol craft in the northern coastal rotation has been returning with manifest discrepancies for four months. Its berth, number eleven at the outer quay’s northern end, is the closest berthing position to the fishing community’s waterfront access on the Waterfront Quarter’s eastern shore.
Purpose / Function
The patrol craft rotation covers four sea lane zones: eastern approaches, western approaches, northern coastal, and southern channel. Each patrol craft operates a seven-to-ten-day cycle: departure, zone coverage, return. The northern coastal patrol’s zone includes the fishing grounds where the fishing community operates, and the return approach’s standard course brings the patrol craft within three hundred metres of the fishing quay in the pre-dawn hours when the early morning fishing boats are preparing to depart. This proximity is unremarkable in the operations room’s charts. It is operationally significant in the context of what has been transferred between the patrol craft and the fishing quay over the past four months.
Access
Inner harbour: naval personnel only.
Outer quay commercial section: authorised commercial customers.
Public viewing area: open during the weekly public briefing.
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