I haven’t actually run this yet, but have read through to prepare for an upcoming Rogue Trader campaign. As you can always expect with FFG’s Warhammer 40K supplements, they are very high quality PDFs and feature great artwork. They also provide a significant amount of background information on Damaris, the primary planet of concern in this scenario. This particular adventure is a nice mix of political maneuvering, strategic large scale battles, and tactical ship combat (if you want it). It isn’t the standard crew of your ship running and gunning through hordes of enemies as much as an extended military campaign. However, a GM could easily add in vignettes of more personal combat to supplement the larger scale battles to keep their players feeling a bit more on edge.
Overall, I think this is a great option for running a Rogue Trader game that really feels like you are a powerful force with lots of resources at your disposal. Because it is the first in a series of scenarios, you can expect to follow up on the events of The Frozen Reaches or use it as a standalone mission in any campaign. It’s worth checking out one way or another. You can also use the NPC Appendix and stat blocks to insert these characters into any number of Warhammer 40K games. Good deal all around.