C1F51 was a Species 8472 defender bioship in the 24th century. C1F51 was in active service at points in fluidic space accessible to the galaxy around the 2370s decade. (ST video game: Armada II)

No history or fate is established for this vessel as its designation was randomly selected for a defender ship by the game software.

Species 8472 defenders
29G93 • 91A83 • C0G28 • C0L08 • C0P85 • C1F51 • C1M56 • C1M90 • C1V84 • C1Y14 • C2F83 • C2G66 • C2Z96 • C3Q34 • C3S93 • C3X51 • C5F59 • C6B84 • C6M05 • C6M37 • C6O96 • C7E25 • C7H42 • C7Y57 • C8H19 • C8J24 • C8N36 • C8R83 • C8T60 • C9D29 • C9K28 • C9N56