Related Clues:
- Defense group founded in 1949
- 1949 defense org
- Org. the USA is part of
- N. Atlantic defence alliance
- Intl. peacekeeping group
- Brussels-based org
- Air defence org
- Cold War-era alliance
- Bosnia peacekeeping gp
- Atlantic defence org
- Peacekeeping grp
- Warsaw Pact counterpart, once
- Western alliance since 1949
- Grp. joined by Albania and Croatia in 2009
- Collective defense group