Tim00,
An evocative photograph. But surely March is a bit chilly in these latitudes for shirt-sleeve order ? The "752" is a bit puzzling - presumably a reference number on the back of the print.
Five together (one a nav). Could they have been a Wellington crew ? (but then it is difficult to account for the varying dates of death - perhaps this relates to an earlier crew which had survived a tour, but then were dispersed and died on second tours in different crews.
... & never really talked about it...
There is a Thread waiting to be started about this phenomenon, and I may start it one day. I take it, for that reason, your dad has left nothing in writing which you could add to our magnificent archive here ?
Thank you for letting us see it,
Danny42C