The Arwen, Season 1: Regal

In this podiobook: When a comet the size of a small moon threatens the remote world of Regal the Earth Alliance assigns the most decorated ship in the fleet, the Arwen, to destroy it. Its Captain, Marjorie Cook, sees this as an opportunity to redeem herself after a tragic mistake in her past causes the death of over 400 of her crew. It seems like an easy mission but, when the Arwen arrives, it finds things are not what they seem.