Greenland
defense is the responsibility of Denmark
Guadeloupe
defense is the responsibility of France
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; ceremonial and limited security duties performed by Pontifical Swiss Guard
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
under a 1951 bilateral agreement, Iceland's defense was
provided by a US-manned Icelandic Defense Force (IDF) headquartered
in Keflavik; in October 2006, all US military forces in Iceland were
withdrawn; nonetheless, the US and Iceland signed a Joint
Understanding to strengthen their bilateral defense relationship,
including regular security consultations, military communications in
the event of national emergencies, annual bilateral exercises on
Icelandic territory, and future bilateral and NATO support to four
Iceland Air Defense System (IADS) radar sites
Iles Eparses
defense is the responsibility of France