Free!
 
Here is a downloadable scan of official US Navy Booklet of General Plans drawings of Gato-class submarine USS Catfish SS-339 in her Cold War-era "GUPPY II" configuration.*  The drawings were originally prepared by Electric Boat Company, Groton Connecticutt dated 2 March 1945 and revised by San Francisco Naval Shipyard dated 16 July 1969.
 
The original scan was obtained from the US National Archives and Records Administration and graciously made available to the public by the San Francisco Maritime National Park Association.
 
Click here for more San Francisco Maritime National Park Association ship plans.
 
Add to cart and order as if this were a model.  You will be able to download the plans as a *.pdf file after ordering at no cost to you.
 
Notice: these plans may not print at the scale stated on them due to the scanner settings chosen when the plans were originally scanned.
 
* GUPPY = Greater Underwater Propulsion Power Program