Talk:Type B1 submarine

I-21
This page contradicts Japanese submarine I-21, which states that I-21 was sunk in Feb. 1944 not Nov. 1943 - which is correct? Drutt (talk) 20:29, 22 June 2008 (UTC)

Minor edit -- added link to I-15
I added a link to I-15, but I forgot to explain what I did when I submitted the edit, though I did flag it as a "minor" edit. Sorry about that -- I'm pretty new to Wikipedia. My first contribution is a short page on Japanese submarine I-15. Grotius1648 (talk) 19:22, 18 March 2009 (UTC)

blueprints/ skematics
are there any know surviving skematics or blueprint of these submarines? and if so should that be added?69.115.204.217 (talk) 01:50, 24 June 2010 (UTC)