Related Clues:
- Spain joined it in 1982
- Org. since 1949
- Org. formed on April 4, 1949
- U.S.-Canada defense grp.
- Western alliance, for short
- Brussels-based intl. group
- 1949 milit. alliance
- Org. of allies
- Brussels-based alliance
- U.S.-Canada defense acronym
- Santa-tracking org.
- European defense org.
- Peace gp. since 1949
- Alb. and Cro. joined it 4/1/2009
- '49 alliance