And Pennington's survival may be assured, since there's a journalism school named after him in the 24th century, suggesting he went on to have a prestigious career. But I suppose it's possible that the school was named for him posthumously in commemoration of his work in the Taurus Reach, or that the name is just a coincidence. So it's hard to be sure.
And the fact that he visits Reyes, telling the stories through a "flashback"
Which is set in 2270 if I recall, just a couple of years in the future. No telling where the final Vanguard novel will end. They could both be deaders by the end of it.
Who we know will survive: T'Prynn, Terrell, Nogura, Carol & David Marcus. Anyone else on or connected with the station, not reassigned as we know M'Benga was?