Related Clues:
- Intl. alliance based in Belgium
- International grp. with a phonetic alphabet
- North Macedonia joined it in 2020
- Upfront, never accept the offered alliance
- Thirty-country defense grp
- Alphabet system in which 'D' is 3-Down
- Peacekeeping grp. with an alphabet
- Gp. headed by Jens Stoltenberg
- *D.C. MLB player
- Gp. whose alphabet includes Romeo and Juliett
- Alliance whose HQ is in Brussels
- King of Carthage ignoring power of mysterious symbols
- Using possibly magical letters
- Alliance senator embraces
- International peacekeeping force