Guam
defense is the responsibility of the US
Guernsey
defense is the responsibility of the UK
Heard Island and McDonald Islands
defense is the responsibility of
Australia; Australia conducts fisheries patrols
Holy See (Vatican City) defense is the responsibility of Italy; Swiss Papal Guards are posted at entrances to the Vatican City to provide security and protect the Pope
Hong Kong
defense is the responsibility of China
Howland Island
defense is the responsibility of the US; visited
annually by the US Coast Guard
Iceland
defense is provided by the US-manned Icelandic Defense Force
(IDF) headquartered at Keflavik
Jan Mayen
defense is the responsibility of Norway
Jarvis Island
defense is the responsibility of the US; visited
annually by the US Coast Guard
Jersey
defense is the responsibility of the UK