[gregebowman]

Originally posted by Imperator Fyron:
To me, it seems it is something along the lines of Atrocities Star Trek Mod is a ST-flavored mod in a stock SE4-like environment, whereas Star Trek Mod is more of an attempt to change the game significantly to get a more immersive ST feel. I am sure others could provide better detail.

I think you pretty much summed it up, from what I can tell. I've been playing the ST Mod for the most part, but after getting the patch yesterday, I started an AST game Last night. There are differences. I think the ST Mod has more technology. But try them both and make up your own opinion.