Related Clues:
- Grp. that spans an ocean
- Defense alliance since 1949
- Phoenicia locale
- Alliance est. in 1949
- Grp. headquartered in Brussels
- Growing alliance
- U.S. force in Europe
- Western defense org.
- Defense grp.
- Treaty grp.
- The U.S. is in it
- Defense grp. since 1949
- Alliance acronym
- Group with hdqrs. in Belgium
- 1949 defense org.