Thanks, sorry it's taken me so long to reply I didn't realize I had a message. Have you found anything interesting on Okinawa? When I was there I remember finding unfired WWII .30-06 ammo while snorkeling. I also found a mens wedding band out on the reef near Kadena marina during low tide. I just got into metal detecting this year and can say that I'm thoroughly addicted and wish I had gotten into it while in the AF and traveling. I hope your having Good luck MDing! Doug