Lord Salisbury described Malta, Gibraltar, Bermuda, and Halifax as Imperial fortresses at the 1887 Colonial Conference, though by that point they had been so designated for decades. Later historians have also given the title "imperial fortress" to St. Helena and Mauritius.
America and West Indies Station 1st Division (HMS Dragon, HMS Danae and HMS Despatch) off Admiralty House in 1931 as they depart their base at the Royal Naval Dockyard in Bermuda to exercise on the open North Atlantic
Royal Navy Dockyards were state-owned harbour facilities where ships of the Royal Navy were built, based, repaired and refitted. Until the mid-19th century the Royal Dockyards were the largest industrial complexes in Britain.
Portsmouth Royal Dockyard, founded 1496, still in service as a Naval Base.
Careening wharf and storehouses built by the Royal Navy in the 1760s, Illa Pinto, Port Mahon, Menorca.
18th-century storehouse, 19th-century dry dock and 20th-century warship preserved at Chatham
Barracks accommodation alongside No.5 Basin and the former coaling wharf at Devonport