The manta was of Shlista design as a high endurance multi-role vessel. With little modification, it can convert from freigter to a drone carrier to a troop transport. Its high quality and realitivly cheap and modular design has made it a common ship used by many diffrent worlds as a work horse.

I have an auction running until the end of the week, check it out (NSFW)
http://www.furaffinity.net/view/31648344/