While the first book was fairly formulaic, that did make it very easy to follow, despite having a dozen or more subplots. This one is much less structured (it's three sections, all a couple of years apart, and they only tie together loosely), yet I found myself enjoying it more.
I always have to grit my teeth during battle scenes, but I've just grown to accept that, like, this is possibly the meat & potatoes of these books for some people. It is what makes it a Weber/Baen book. We get every thought leading up to every action, then the lead-up to the reaction from the appropriate party, then their thoughts into what comes next, then their action, then strike that, reverse it. THIS CAN BE TRIMMED DOWN. But I get it, just b/c I find it double dipping on the action in a grating way doesn't mean others don't enjoy it. Since I cared much less about the characterization going on w/the 'baddies' I just skipped their sections, and it WAS FINE. IT WAS TOTALLY FINE. Did not feel like I missed out on anything.
I was a little sad b/c the couple I liked the most from the first book don't show up here at all. I know they like ... defected (to Haven?) at the end of the first book, but still, we get POV sections from everywhere else, so why not them. Good character development with Chomps, Lisa, and Metzger, though, as well as (obviously) Travis. Also I really liked that Travis got in one really good idea during the climax, but that was it. I'd find it a bit eye-roll-y if he came up with every good idea & saved the day over and over again.