Covenant of Antarctica Fleet

Well, my COA fleet is growing, with the addition of 6 more Diogenes Class Frigates and a base for the Callimachus Class Time Dilation Orb. 

I was pleased with the base, it's one of the first I've made in 20 years.  Some sand and stones, a milliput hill, a cast cliff and a lichen tree:

 

 

I still like the details of the engine, very steampunky:

So back to the purpose of the post, the CoA Fleet.  It's a little larger now, but missing mid-sized and large ships.  Guess what's coming next? 

 

 

Comments welcomed.