Gordon wrote:
This mystery ship will bebut Jan 16 at 10 am at Pier 40 of the San
Francisco Embarcadero.
She is powered by twin 355 hp outboard diesel engines hinged to the
back of the hulls.
http://www.sailingscuttlebutt.com/news/06/1018/

Lots of pics
Gordon

It would be way cool if the center pod detached and became a submarine!