Ceylon (HM6)

Ceylon under Andrew Caldecott hasn't been touched very much by the ongoing World War II in 1940. Yet.

British Empire (How many Sixes does Adolf Nazi have to Roll?)
United Kingdom of Great Britain and Northern Ireland
The Crown Dependencies:
Channel Islands | Isle of Man
The Dominions:
File:Canadian Red Ensign (1921–1957).svg Canada | File:Flag of Australia.svg Australia | New Zealand | File:Flag of South Africa 1928-1994.svg South Africa | Newfoundland | Southern Rhodesia
The League of Nations mandates:
Iraq | Palestine | Transjordan | Togoland | Tanganjika | Southwest Africa
The crown colonies:
File:British Raj Red Ensign.svg British India | Ceylon | Burma | Straits Settlements | File:Government Ensign of Gibraltar (1939-1999).svg Gibraltar | Malta | Cyprus | Aden | Sudan | Nigeria | Gold Coast | Sierra Leone | Uganda | Kenya | Zanzibar | Northern Rhodesia | Nyasaland | Swasiland | Basutoland | Bechuanaland | Mauritius | Seychelles | St. Helena | Ascension | Gambia | Jamaica