| Answer | Crossword Clue |
|---|---|
| CUBIC | The first c in cc |
| NCO | First-tier supervisor in the U.S.M.C. |
| ROME | HBO series set in the first century B.C. |
| ATH | The first "A" in N.C.A.A.: Abbr. |
| ASSN | The first "A" in N.A.A.C.P.: Abbr. |
| NOVA | The first recorded one was noted by the Greek scientist Hipparchus in 134 B.C. |
