- Period:
- Second World War (1939-1945)
- Rank:
- Acting Flight Lieutenant
- Unit:
- No. 124 (Baroda) Squadron, Royal Air Force
- Awarded on:
- September 11th, 1942
- Awarded for:
- Operation Jubilee
"This officer has participated in a large number of sorties, including 4 executed in the combined operations at Dieppe when he led his flight with skill and courage. He has at all times set a splendid example. Flight Lieutenant Gregson has destroyed 1 and damaged a further 2 enemy aircraft."