Who many submerines have you designed and what are they being used for?

Question: Who many submerines have you designed and what are they being used for?
- Keywords:
  submarine
Asked by 08reyre to Ryan on 18 Jun 2011.
- Ryan Ladd answered on 18 Jun 2011:
  
  I wouldn’t say I’ve designed any submarines all by myself but I’ve helped design and make 2 or 3 submarines so far. Currently they’re just being used for research into making better submarines, rather than out in the ocean, or for competitions.

Question: Who many submerines have you designed and what are they being used for?