Related Clues:
- Canada didn't join it until 1990
- Latv. and Bulg. joined it in 2004
- 2011 Libya intervention gp
- 2014 Wales summit host
- International grp. with their hands more than full in Syria right now
- Belgium-based gp
- Cold War alliance (abbr.)
- Alb. joined it in 2009
- Western Hemisphere grp
- Its flag is dark blue, symbolizing an ocean
- '49 defense alliance
- Peace grp. since 1949
- European bloc
- Mil. alliance based in Brussels
- Defense org. formed in 1949