The Diamondback is a ship confirmed for debut in patch 1.3, the "Powerplay" update in Newsletter #70's Peek of the Week:
http://us2.campaign-archive2.com/?u=dcbf6b86b4b0c7d1c21b73b1e&id=052f58fc7d#peekThis+page+is+a+candidate+for+deletion.+The+reason+provided+is::there+is+no+content.If+you+disagree+with+its+deletion,+please+explain+why+at+Category+talk:Candidates+for+deletion+or+improve+the+page+and+remove+the+delete+tag.Remember+to+check+what+links+here+and+the+page+history+before+deleting.
