| Answer | Crossword Clue |
|---|---|
| MARINER | Flyby of Mars. |
| NASA | Pluto flyby org. |
| MARINER | First mission to make a successful planetary flyby |
| flypast | a flight, at low altitude or close range, also FLYBY |
| flypasts | FLYPAST, a flight, at low altitude or close range, also FLYBY |
| flybys | FLYBY, a flight, at low altitude or close range, also FLYPAST |
