In 1548, Garcia de Orta leased the marshy islands, which later became Bombay, from John III of Portugal.

Later, a seawall was constructed around Manor House, with four guns mounted on it and the area came to be known as Castle Barracks.

[1] In 1940, the castle was commissioned as HMIS Dalhousie as a naval base of the Royal Indian Navy.

The Manor House which has since been re-built, is the seat of the Flag Officer Commanding-in-Chief Western Naval Command.

[3][4] The crest of INS Angre has peaks of the Sahyadri mountain range (also known as Western ghats) on which is planted a trident.