the 18th century, the increasing sophistication of military life led to separate housing for different ranks (officers always had larger rooms) and married quarters; as well as the provision of specialized buildings such as dining rooms and cook houses, bath houses, mess rooms, schools, hospitals, armories, gymnasia, riding schools and stables. The pavilion plan concept of hospital design was influential in barrack planning after the Crimean War. The first large-scale training camps were built in the Kingdom of France and the Germany during the early 18th century. The British Army built Aldershot camps from 1854. By the First World War, infantry, artillery, and cavalry regiments had separate barracks. The first naval barracks were hulks, old wooden sailing vessels; but these insanitary lodgings were replaced with large naval barracks at the major dockyard towns of Europe and the United States, usually with hammocks instead of beds. These were inadequate for the enormous armies mobilized after 1914. Hut camps were developed using variations of the eponymous Nissen hut, made from timber or corrugated iron. Military In many military forces, both NCO and SNCO personnel will frequently be housed in barracks for service or training. Officers are often charged with ensuring the barracks and personnel are maintained in an orderly fashion. Junior enlisted and sometimes junior NCOs will often receive less space and may be housed in bays, while senior NCOs and officers may share or have their own room. Junior enlisted personnel are typically tasked with the cleanliness of the barracks. The term "Garrison town" is a common expression for any town that has military barracks, i.e., a permanent military presence nearby. Prison Prison cell blocks often are built and arranged like barracks, and some military prisons may have barracks in their name, such as the United States Disciplinary Barracks of Leavenworth. Worldwide Canada Barracks were used to house troops in forts during the Upper Canadian period. Leading up to and during the War of 1812, Lieutenant-Governor John Graves Simcoe and Major-General Isaac Brock oversaw the construction of Fort York on the shores of Lake Ontario in present-day Toronto. There are several surviving British Army barracks built between 1814 and 1815 at that site today. Multiple limestone barracks were built half a mile west of Fort York in 1840, only one of which survives. The British Army handed over "New Fort York", as the second fort was called, to the Canadian Militia