| Answer | Crossword Clue |
|---|---|
| COMETPROBE | Current exploration of scientific interest |
| expedition | A journey or voyage undertaken by a group of people with a particular purpose, esp. that of exploration, scientific research, or war |
| expeditions | A journey or voyage undertaken by a group of people with a particular purpose, esp. that of exploration, scientific research, or war |
| frogman | swimmer specially equipped with air tanks, wet suit, diving mask, etc., for underwater demolition, salvage, military operations, scientific exploration, etc. |
