The Squadron’s Operations Record Book shows that EC Gregory was the Captain of a 35 Squadron aircraft on the following sorties:
- 03/11/1943 Dusseldorf
- 11/11/1943 Cannes
- 22/11/1943 Berlin
- 29/12/1943 Berlin
- 14/01/1944 Special target
- 20/01/1944 Berlin
- 21/01/1944 Magdeburg
- 15/02/1944 Gardening
- 19/02/1944 Gardening
- 20/02/1944 Stuttgart
- 24/02/1944 Schweinfurt
- 25/02/1944 Augsburg
- 01/03/1944 Stuttgart
- 18/03/1944 Frankfurt (Aborted)
- 22/03/1944 Frankfurt
- 24/03/1944 Berlin
- 30/03/1944 Nuremberg (Incident)
- 18/04/1944 Rouen
- 20/04/1944 Cologne
- 22/04/1944 Dusseldorf
- 24/04/1944 Karlsruhe
- 11/05/1944 Hasselt
- 19/05/1944 Boulogne
- 22/05/1944 Dortmund
- 27/05/1944 Bourg Leopold
- 28/05/1944 Mardick
- 05/06/1944 Maisy
- 08/06/1944 Mayenne
- 11/06/1944 Paris
- 15/06/1944 Fouillard
- 09/07/1944 L’Hey
- 12/07/1944 Thiverby
- 18/07/1944 M-Cagny (Daylight)
- 18/07/1944 Wesseling
- 23/07/1944 Kiel
- 24/07/1944 Stuttgart
- 25/07/1944 Stuttgart
- 28/07/1944 Stuttgart
- 05/08/1944 Acquet
- 09/08/1944 Foret De Nieppe
- 12/08/1944 Russelsheim
- 14/08/1944 Falaise
- 11/09/1944 Le Havre-Cadillac 2
- 12/09/1944 Frankfurt
- 15/09/1944 Kiel
- 06/10/1944 Dortmund
- 14/10/1944 Duisburg (Daylight}
- 15/10/1944 Wilhelmshaven
- 19/10/1944 Stuttgart
- 21/10/1944 Hanover
- 25/10/1944 Essen
- 29/11/1944 Dortmund
- 29/12/1944 Gelsenkirchen
- 02/01/1945 Ludwigshafen
- 07/01/1945 Munich
- 14/01/1945 Grevenbroich
- 16/01/1945 Zeitz
- 22/01/1945 Gelsenkirchen
- 28/01/1945 Stuttgart
- 01/02/1945 Mainz
- 02/02/1945 Wanne Eickel
- 13/02/1945 Dresden
- 14/02/1945 Chemnitz
- 27/02/1945 Mainz
- 05/03/1945 Chemnitz
- 07/03/1945 Dessau
- 08/03/1945 Hamburg
- 11/03/1945 Essen (Daylight)
- 12/03/1945 Dortmund
- 15/03/1945 Misburg
- 18/03/1945 Witten
- 20/03/1945 Heide
- 27/03/1945 Paderborn
- 03/04/1945 Nordhausen
- 09/04/1945 Kiel
CREW PHOTOGRAPH NOT AVAILABLE
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:
| (Pilot) | Gregory | EC | 75 |
| (Navigator) | Burden | JWS | 1 |
| Carter | LC | 1 | |
| Howell | RH | 21 | |
| Lawless-Pyne | LC | 1 | |
| McGuinness | PP | 1 | |
| Roberts | WF | 1 | |
| Trott | CTJ | 47 | |
| Wright | HC | 2 | |
| (Air Bomber) | Brooker | BC | 1 |
| Day | MJ | 1 | |
| Ferguson | WG | 1 | |
| Kermode | DW | 49 | |
| Lancaster | J | 22 | |
| Marshall | JLG | 1 | |
| Myers | JF | 1 | |
| (Wireless Operator) | Cleaver | GH | 1 |
| Curtis | NW | 7 | |
| Marriott | AR | 1 | |
| Matthews | TH | 14 | |
| Sadler | RH | 46 | |
| Shippen | SJ | 1 | |
| Stroud | HRM | 5 | |
| (Air Gunner) | Black | JC | 1 |
| Bolton | DR | 22 | |
| Fyfe | DF | 1 | |
| Hunter | RET | 1 | |
| Lille | GE | 1 | |
| Moffatt | N | 1 | |
| Nuttall | S | 73 | |
| Perry | GA | 1 | |
| Stewart | WJ | 49 | |
| (Flight Engineer) | Dick | AJ | 27 |
| Jones | WCR | 1 | |
| Scholes | M | 1 | |
| Seaton | CDE | 1 | |
| Sharp | MB | 1 | |
| Weaver | J | 44 |
