| Spy's alias |
| Agent's cover |
| Spy's moniker |
| Secret moniker |
| Part of a cover |
| Secret identity |
| A spy may use one |
| Fat Man or Abscam |
| Alias for an agent |
| Overlord, for D-day |
| Deep Throat, for one |
| Secret Service bestowal |
| Manhattan Project, e.g. |
| Alias for a secret agent |
| Operation Overlord, e.g. |
| Operation Desert Fox, e.g. |
| Renegade, for Barack Obama |
| Barack Obama's is "Renegade |