Viper 8757
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Viper 8757NC is a Viper Mark VII assigned to the battlestar Galactica (Lay Down Your Burdens, Part I).
A Viper Mark II of the same designation is flown by Kara Thrace during a Combat Air Patrol protecting a fleet underway replenishment operation. This Viper is possibly the one Thrace is later lost in, crushed by intense atmospheric pressure. (Maelstrom)