For the mirror universe counterpart, please see R. McCallum (mirror). R. McCallum was a Starfleet officer in the 23rd century. McCallum was among the members of the Science Ops team listed on the dedication plaque of the USS Enterprise. (DIS: "Such Sweet Sorrow") This character was only mentioned in writing.This officer was named after storyboard artist Rob McCallum. Retrieved from "https://memory-alpha.fandom.com/wiki/R._McCallum?oldid=2483076" Categories: Individuals USS Enterprise (NCC-1701) dedication plaque personnel Community content is available under CC-BY-NC unless otherwise noted.