Related Clues:
- American states org.
- Defense gp. formed in Bogotá
- Org. of the Americas
- Military alliance gp.
- Large mil. alliance
- Military alliance gp. since 1949
- Brussels acronym
- U.S. alliance
- Peacekeeping force source
- Americas' Org
- Defense pact
- Gp. battling Somali pirates
- Strike authorizer
- Collective security alliance engaged in Bosnia
- International security organisation