Related Clues:
- Warsaw Pact counterpart, once
- Western alliance since 1949
- Grp. joined by Albania and Croatia in 2009
- Treaty grp. since 1948
- Collective defense group
- Org. once involved with Kosovo
- Grp. that suspended Honduras in 2009
- West. alliance since 1948
- Gp. with forces
- Treaty gp. west of the Atlantic
- It's HQ'd in Brussels
- Alliance born in the Cold War era
- European defense org
- Peace-keeping gp
- Defender of the West