M and K class
 

Im reading at the moment a book on the K class submarines in world war I. These were pretty disastrous submarines and were steam powered. It got me thinking that they would be awesome additions to a Silent Hunter game if they were created and made playable. Has anyone created them?. :-

http://en.wikipedia.org/wiki/British_K_class_submarine

The M Class submarines in world war I would also make great additions too :-

http://en.wikipedia.org/wiki/British_M_class_submarine