* Belgium
* Canada
* Czech Republic
* Denmark
* Estonia
* France
* Germany
* Greece
* Hungary
* Iceland
* Italy
* Latvia
* Lithuania
* Luxembourg
* Netherlands
* Norway
* Poland
* Portugal
* Romania
* Slovakia
* Spain
* Turkey
* United Kingdom
* United States
EU:
The United Kingdom is no longer a member of the European Union, but it has close economic and political ties with the EU.
Other allies:
* Australia
* Japan
* New Zealand
* South Korea