As the endemically arrogant programmer, I sincerely appreciate your candor! I was hoping that a scuba expert would come by and help out, so thank you. After al

As the endemically arrogant programmer, I sincerely appreciate your candor! I was hoping that a scuba expert would come by and help out, so thank you. After all, the fastest way to get a good answer on the internet is to post a wrong answer. Just, as a minor point, I was responding to assertions that it could only be Russia because only a submarine crew could have done it.