| Answer | Crossword Clue |
|---|---|
| PROBE | Exploratory expedition |
| PROBE | Exploratory machine |
| PROBE | Exploratory spacecraft |
| PROBES | Exploratory spacecraft |
| NASA | Exploratory org. |
| PROBE | Exploratory device |
| RECON | Short exploratory mission |
| RECON | Exploratory mission, for short |
| NASA | Org. doing exploratory work |
| NASA | Mars exploratory organization: acron. |
| NINA | Member of an exploratory trio |
| FLASHLIGHTTOUR | Exploratory excursion that happens after dark |
| NINA | Member of a famous exploratory trio |
