The Squadron’s Operations Record Book shows that JWN Balley was the Captain of a 35 Squadron aircraft on the following sorties:
- 19/05/1942 St Nazaire
- 22/05/1942 St Nazaire
- 29/05/1942 Gennevilliers
- 30/05/1942 Cologne
- 01/06/1942 Essen
- 02/06/1942 Essen
The following shows the composition of his crew on these sorties, along with the number of sorties undertaken by each airman as part of his crew (as recorded in the squadron’s Operations Record Book). Details of all flights (including training flights) will be recorded in their Flying Log Books:
| (Pilot) | Julian William Noel Balley | 6 |
| (2nd Pilot) | Dennis Jack Perry | 1 |
| (Observer) | Talbot Jones Taylor | 6 |
| (Air Bomber) | Alfred James Brockway | 5 |
| (WOP / AG) | – Kaufman | 1 |
| James Henry Janes | 5 | |
| (Air Gunner) | – Shaw | 5 |
| Han Gwyn Pike | 6 | |
| RJ Demers | 1 | |
| (Flight Engineer) | – Williams | 6 |
