Example image of eyePlorer eyePlorer map for 'British ensign': Commonwealth of Nations Flag Ship United Kingdom Flag of the United Kingdom Flag terminology Ensign Royal Navy St George's Cross Flag of the British Antarctic Territory Royal Yacht Squadron Admiral of the Fleet (Royal Navy) Monarchy of the United Kingdom Union Flag Court-martial Charles I of England White Ensign Blue Ensign Commonwealth realm Royal Naval Reserve Lieutenant Ministry of Defence Crown colony Defacement (flag) Board of Trade Cable Department of the Master-General of the Ordnance General Post Office Lloyd's of London Mersey Docks and Harbour Company War Office Flag of Australia Flag of New Zealand States and territories of Australia Red Ensign Trinity House Merchant Navy Courtesy flag British overseas territories Crown Dependencies East India Company Grand Union Flag United States Royal African Company Flag of Hawaii Civil air ensign Roundel Royal Air Force Ensign Flag of Fiji Flag of Tuvalu