A Starfleet engineer on Miles O'Brien's salvage team to the abandoned station Empok Nor, an eager collector of Cardassian military insignia who is killed by soldiers left behind in stasis.
Pechetti appears in Empok Nor, played by Tom Hodges.
In 2373 Deep Space 9 needs replacement parts that cannot be replicated, so O'Brien leads a team to strip them from a derelict Cardassian station of the same design. Pechetti is one of the engineers. He collects Cardassian regimental badges, and is pleased to recognise the emblem of the Third Battalion, First Order on stasis tubes found in the infirmary.
The occupants of those tubes are soldiers treated with a psychotropic drug that heightens their hostility to outsiders, left as a living booby trap. Once the runabout is destroyed the team is stranded, and Pechetti is killed by one of the soldiers while working with the security officer Stolzoff.