Complex sentence: The team arrives but with no body, they are without a trace, but luckily the photographer is able to recall where he was when he made the photo and they find a dead Petty Officer, who was working for the DLA.
Split into simpler sentences: The team arrives but with no body, they are without a trace. Luckily, the photographer is able to recall where he was when he made the photo and they find a dead Petty Officer, who was working for the DLA.