After not receiving a reply on my post dated November 22, 2009 I did some research to try and identify my Kodak 2D. In my travels around Staunton I met a gentleman in a small town 10 miles south of here who has a wonderful old garage full of old cars from the '40s. Turns out he was a curator, now retired, from the Smithsonian and has a real passion for early photography. He recently published a book on the early years of Edward Steichen when he set up an aerial photography division for the air corp during WW1. It was during WW2 that Steichen, wanting to serve but being a bit up in age could not enlist, convinced the Navy to take him on as a photographer on some of the battle ships. He put together a small group of photographers and got Kodak, or their affiliates, to produce some 2D's to be used by him and his crew to document life on the battle ships. This, according to my friend, was how the Kodak 2D 161-USN-266407 came into existence. I've combed through all the responses posted since 2009 and can find nothing referring to the USN issue serial numbers. I've kept his name and location private in this post, but if anyone has evidence to the contrary on this, please let me know. I can get in touch with my friend and pass on the info as well as your contact for further discussion, in order to clear this up. To me it makes no difference. My 2D is a daily user, sitting on a tripod in my studio, and occasionally gets taken out in the field as well.