I hate to say it, but INF:A is basically crap.
It's well-FREDded crap. The mission designer obviously knew what they were doing. But that only makes the very basic nature of the missions, briefings, and debriefings even more disturbing, for so much more could have been done. Every charge I've ever heard leveled at Silent Threat applies to INF:A, only more so. The story is poorly presented and not very coherent, the FREDding technically competent but very basic. (Which further detracts from the story; the Megara's appearance mission, for example, lacks the kind of work that made the appearance of the Diablo in R1 so well-done.) Even INF:A's modelling and texturing isn't particularly good.
I am, perforce, sorely disappointed, and sincerely hope that INF:A2 and R2 are not afflicted with similar conditions.
Sol A History has you beat on all counts, I fear.