DiFalco
Chief DiFalco was a female Human Starfleet enlisted crewman who lived during the mid-23rd century, serving in the navigation and helm branches of the command division. In the mid-2270s, she served aboard the  under the command of Captain James T. Kirk.

After the Deltan navigator Ilia was killed by a probe from V'ger, DiFalco assumed Ilia's position on the bridge. ()

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Humans
Starfleet command personnel
USS Enterprise (NCC-1701) personnel
Starfleet enlisted personnel