Re: Firefly first-time/rewatch (NO SPOILERS, please)
Now that you've finished the series and the movie, be sure to pick up the comics. In the last series of comics, you'll learn a great deal more about Sheppard Book.
From the way the red carpet was rolled out for him when he was injured, he's obviously got some high level connections...
Never keep a Vulcan waiting...I am the real starbase63...accept no substitutes.