For the most recently finished challenge I drew a Missile Range and Instrumentation ship based on the real life USNS Howard O. Lorenzen.
My AU ship was a mix of elements from a "As designed" reference and "AS built" reference photos with radar set up loosely based on her predecessor USNS Observation Island's fit. Now that the challenge is over, I'm going to slowly start working on shifting my drawing over to depict the real life ship. I have plans for both "As Designed" and "AS built" versions of the drawing but for now I'm focusing on "As Built" my current progress is shown below. Some stuff has been chopped down and a lot of minor details need to be tweaked and added but I figured that I'd done enough work so far to warrant starting a thread for her. (And yes I'm aware the tip of the mast is chopped off, my ship's was much different and I need to redraw that portion which I plan to do as part of re-polishing the mast)