"Secret" could be the grey hull (a la Crystall Ball) aka "sunflower". Look at what it seems a picture of her at:
http://www.aftenposten.no/nyheter/ok...cle1052659.ece
The 560 foot green hull should be the succesor of "evergreen" (as Lars said before). Two both projects are under development by Espen Oino.
Sorry for my English
