 The final proposal, published on 18 June 1566, was for a fortified city that extended up the peninsula to Fort Saint Elmo, with four bastions and two cavaliers guarding the landward side.In 1567 the plan was refined to cover making the landward ditch deeper and constructing cisterns, storerooms, magazines and other essential buildings.Laparelli left Malta in 1569 to help in the naval war of the papacy against the Turks.