But it will have to wait till after that for me to post, because I'm still on shore for the evening, and have an obligation to go to a special restaurant where I go every year and eat a stuffed pigeon with some Egyptian friends.
In the mean time, here are William's questions:
What is the water temperature? How long do you stay under water typically? What are you looking for? What is the procedure - do you have to photograph, map, and do other things before you recover objects? Do you get to recover objects? Are they small or big or both? What kinds of things are you finding? What depths are you diving? Is it dark?