| Clue | Source | Date |
|---|---|---|
| Of a plan, go wrong (7) | ||
| Failure to hit the mark that is recorded on exterior of large weapon (7) | ||
| Fail to achieve the desired result | Wall Street Journal | 29 Sep 2023 |
| Fail to achieve the desired result | Wall Street Journal | 01 Sep 2023 |
| Major blunder | Wall Street Journal | 08 Aug 2023 |
| ie firms (anag) — go wrong | The Guardian Quick | 22 Dec 2022 |
| Arms malfunction | Wall Street Journal | 21 May 2022 |
| Go off badly | Newsday | 14 May 2022 |
| Fail to go off | USA Today | 30 Nov 2019 |
| Fail to go off properly | The Times Concise | 22 May 2019 |
| Military weapons failure | Canadiana | 04 Mar 2019 |
| Fall flat | Universal | 05 Nov 2017 |
| Fall flat | ||
| Gun error | Thomas Joseph | 04 Jun 2016 |
| (Of a gun) fail to operate correctly | The Times Concise | 21 Sep 2015 |
| Failure | ||
| Fail | ||
| Ignition problem | ||
| Fail to explode | ||
| Fall flat | ||
| Failed intention | ||
| Artillery accident |