Changed the skin to reflect the number of holes in the hull and the latter arrangement the USS Pampanito SS-383 had. Since this was the submarine used in down periscope.
The picture above shows where some of the hull opening were cut to the saddle tanks to allow access to hatches and other access panels.
This last picture is my favorite it shows the discharge ports I put on the skin and with the use of S3D I move the nodes over the discharge ports so they look in use.