September 2015 Ships of the Line calendar. Starfleet tugs “cleaning up” after Wolf 359 by
The top 3 images are details: 1. A tug strapping in a damaged Nova-class saucer; 2. A close-up of the tug “Annie” with Sphinx shuttles rescuing lifeboats and a type-7 shuttle launching; and 3. a tug towing a derelict Constitution-class saucer.
The fourth image shows Probert posing with the piece, and the last is all the images stitched together.
It is interesting that there is a Nova-class saucer there, as well as escape pods of the Sovereign or Akira type… I suppose we have to conclude that those classes were at least in development as of Wolf 359.