| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Fri Dec 6, 2013 | 47A | Cold war defense system | Elizabeth C. Gorski | Shortz |
| Sat Nov 13, 1999 | 15A | U.S./Canadian defense system | Jim Page | Shortz |
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Wed Jun 10, 1987 | 44A | U.S. warning system | Dorothy Cannan | Maleska |
| Tue Aug 17, 1965 | 45D | Early-warning system. | Unknown | Farrar |
| Anagram: |