century, the platform served for a time during the Second World War before being abandoned and left to ruin; Fort of Negrito (), home to the Azorean Museum of Military History, Negrito was constructed in 1581 (simultaneously with the Fort of Salga) to provide protection from the then imminent Spanish attack caused by the Succession Crisis of 1580. Fort of Salga Fort of Santa Catarina das Mós Fort of Santo António Fort of Santo António do Monte Brasil (), the small fort, which was named after António of Portugal extended the defences of the Bay of Angra by crossing-fire with the Fort of São Sebastião, owing to the shorter range of the former; Fort of São Benedito do Monte Brasil Fort of São Fernando Fort of São Francisco Fort of São João (), also known as the Fort of Biscoitinhos, was included in the fortification plans of Tommaso Benedetto, but little was done to improve the large redoubt, which was mistakenly confused, at various times, with the Redoubt of Poço and/or Fort of Açougue; Fort of São João Baptista (); Angra do Heroísmo is dominated by the cinder cone of Monte Brasil, on which is located the fortress of São João Baptista, originally completed as the Fort of São Filipe, during the Philippine Dynasty, under the reign of Philip II of Spain. The fortress, which includes a primary bulwark and encircled by line of walls with four hundred pieces of artillery, used to protected shipping that returned from the East Indies (laden with gold and silver). The fortress is dominated by the Church of São João Baptista () and parade grounds, completed at the end of the end of the Iberian union, following the restoration of Portuguese sovereignty in 1640. At that time, the fortress was renamed to correspond with the name of the church. Fort of São Sebastião ()At the other end of the Bay of Angra, opposite the Porto de Pipas (Port of Barrels), is the Fort of São Sebastião, built in the 16th century on the order of King Sebastian. The scope of its cannons were interlocked with the ranges of the cannons on Monte Brasil and three other small forts along the coastline, creating an effective defensive system for the port, which had been a favourite target for pirates. The Castelo de São Sebastião has been transformed into a charming hotel, one of the forty-odd pousadas