| Answer | Crossword Clue |
|---|---|
| SPAIN | Non-member of NATO. |
| SWITZ | Non-NATO European country |
| USA | Member of NATO |
| NOR | Member of NATO |
| ENGLAND | Member of NATO. |
| CANADA | Member of NATO. |
| ITALY | Member of NATO. |
| USA | Member of NATO. |
| ICELAND | Member of NATO |
| THEUS | Founding member of NATO |
| CANADA | Geographically largest member of NATO |
| USA | Member of both OAS and NATO |
| ALLY | Any member of NATO to any other |
| LETT | Member of a NATO land since 2004 |
