The most common and most likely answer to this crossword clue is the 6 letter word GEMINI which also is the latest solution we found used in Chronicle of Higher Education in 2008.
First mission to subject American astronauts to long-duration flights crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| GEMINI | 100 % | 6 |
Words with a meaning similar to the clue: First mission to subject American astronauts to long-duration flights
These words may or may not be a possible solution to this crosswords clue.- pass
- head
- lewis
- short
- shorts
- slog
- chronic
- armstrong
- mitchell
- brief
- general
- old
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution