| Answer | Crossword Clue |
|---|---|
| FORE | Duffer.s warning |
| EAGLE | Duffer s dream |
| PAR | Duffer s challenge |
| ALARM | Firefighter s warning |
| DEWLINE | U.S. warning system |
| RADAR | U. S.-Canadian warning system. |
| NORAD | U.S.-Canada early warning syst. |
| NORAD | Early warning system for the U.S. and Canada |
