Last seen in:
- The Guardian - Quick crossword No 16,514 - Apr 11 2023
- The Sun - Two Speed - Sep 10 2020
- The Sun - Two Speed - Jun 4 2020
- The Guardian - Quick crossword No 15,228 - Feb 27 2019
- L.A. Times Daily - Feb 10 2018
- The Washington Post - Feb 10 2018
- The Guardian - Quick crossword No 12,895 - Sep 8 2011
- The Telegraph - QUICK CROSSWORD NO: 25,583 - Apr 5 2008
- L.A. Times Daily - Nov 19 2005
Related Clues:
- Scuttled mission
- Something off-limits
- Inoperative, at 14-Across
- 'Mission aborted'
- Nixed, at NASA
- ''__ your life!'' (''Forget it!'')
- Forbidden-zone description
- Canceled, as a mission
- Canceled, as in rocket launch
- Impossible, and hint to this puzzle's theme
- Out of the question
- Inoperative, as a launch
- Canceled, to NASA
- Scrubbed, as a space launch
- Unprofitable, as a situation