Fictional USN Cruiser Submarines 1919-1920

[ptdockyard]

Here is some artwork I found years ago on these.
https://www.deviantart.com/tacrn1/art/Battle-Fleet-Cruiser-Submarines-579962724

 

[Vepr157]

Here is some artwork I found years ago on these.
https://www.deviantart.com/tacrn1/art/Battle-Fleet-Cruiser-Submarines-579962724

View attachment 801347

Those are totally fantasies except for the Narwhal.

 

[Arjen]

Have a look at this 2008 thread:
https://www.secretprojects.co.uk/threads/usn-cruiser-submarines-1919-1920.4041/#post-31729

 

[Hood]

Have a look at this 2008 thread:
https://www.secretprojects.co.uk/threads/usn-cruiser-submarines-1919-1920.4041/#post-31729

I moved these latest posts from that thread.
Folks should keep what-if dreams out of the project threads.