Related Clues:
- Defense gp. founded in Bogotá
- Defense alliance based in Brussels
- 1949 military alliance
- Western treaty org
- A no-fly zone enforcer
- Defense agcy. headquartered in Brussels
- Alliance of the W. Hemisphere
- Grp. that has added 12 members since the end of the Cold War
- Western Hemisphere alliance
- 35-nation alliance, briefly
- Defense alliance since 1949, for short
- Alliance HQ'd in Brussels
- Multi-national defense org
- Alliance that keeps a wary eye on Russia
- International 30-Across