| Answer | Crossword Clue |
|---|---|
| SDI | ICBM bulwark |
| CITADEL | Bulwark |
| BASTION | Bulwark |
| BUTTRESS | Bulwark. |
| RAMPART | Bulwark. |
| MAINSTAY | Bulwark |
| TOWER | Bulwark. |
| DEFENSE | Bulwark. |
| WALL | Bulwark |
| BASTION | Bulwark. |
| SHIELD | Bulwark |
| RAMPART | Bulwark |
| SEATO | Asiatic bulwark. |
| THEBILLOFRIGHTS | Bulwark of freedom |
| SANDBAG | Flood-bulwark unit. |
| SEAWALL | Bulwark in Holland. |
| AJAX | Homer called him "bulwark of the Achaeans" |
