Singularity (ship)
The Singularity was a large starship used by the Borg Collective during the 25th century. 

In 2401, the Singularity appeared through a massive spatial anomaly first detected by the  after being knocked off course. Starfleet responded by sending the , , and twenty-nine other vessels to intercept this ship. ()

Borg starship classes
Borg starships
Memory Alpha articles named from supplementary resources