| Answer | Crossword Clue |
|---|---|
| NSA | Clandestine govt. org. |
| NSA | Clandestine org. |
| CIA | Clandestine org. |
| CIA | Clandestine government org. |
| OSS | Clandestine WWII org. |
| KGB | Former clandestine org. |
| ONI | Clandestine maritime org. |
| ONI | Clandestine org. headed by Vice Adm. Kendall L. Card |
