 Inside, there are barrack buildings for officers and men as well as the ancient chapel, which has been preserved through the successive stages of military development of the site.In addition to improving the defences of Fort Carré, Vauban fortified Antibes itself, adding a land front of four arrow-headed bastions around the town, as well as seaward fortifications, including a bastion on the breakwater closing the harbor.During the French Revolution, Napoleon Bonaparte was briefly imprisoned here.