The Borg endeavor to use them on Janeway and Tuvok in get to url their views to the hive intellect Chakotay later on uses just one to backlink his views with Seven of Nine to distract her. In "State of Flux" when evidence indicates Seska is a surgically alterred Cardassian spy, Tuvok notes that Starfleet Secuirty has documented incidents of Cardassian beauty alteration for espionage.