Related Clues:
- Int'l org. formed in 1949
- Org. for Lord Robertson
- Grp. with its HQ in Brussels
- Western alliance formed in 1949
- Force in Eur.
- Org. formed in 1949
- 1949 peace org.
- Int'l. peacekeeping group
- Grp. with a secretary general
- Western alliance
- Major alliance
- Cold War side
- Grp. that spans an ocean
- Defense alliance since 1949
- Alliance est. in 1949