The USS Shackleton (NCC-86517) was an Inquiry-class Federation starship in service to Starfleet during the early 25th century.
In 2401, the Shackleton joined a Starfleet armada assembled to confront the massive Singularity that emerged from a spatial anomaly. The ship was briefly compromised when the Borg Queen began assimilating the USS Stargazer and obtained its command codes. After an understanding was reached with the Queen, the Shackleton joined the Borg in a coordinated effort to deflect a massive energy burst from a newly forming transwarp conduit. (PIC: "The Star Gazer", "Farewell")

Listed on a fleet formation display
Later that year, the Shackleton participated in Frontier Day celebrations near Sol Station. Along with the rest of the fleet, it was seized by the Borg Collective after its younger crew were assimilated by a Borg signal transmitted via Jack Crusher. (PIC: "Vox")
Inquiry-class starships |
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