Sector 9 incident
The Sector 9 Incident was the formation of a transwarp conduit of unknown origin in the Alpha Quadrant, approximately five lightyears from Earth.

Prelude

The  was knocked off-course by a spatial anomaly of unknown origin suddenly appearing in the Alpha Quadrant, near Gideon

Subsequently, while on a mission for the Fenris Rangers on the , Emmet detected the same anomaly, reporting it to Seven of Nine.

As well, the , under the command of Captain Cristóbal Rios, picks up Agnes Jurati from Raritan IV and sets a course for the anomaly.

The encounter
A force of 30 starships arrived to back up the Avalon, Stargazer, and La Sirena. A large starship of unknown design ultimately emerged from the anomaly.

Aftermath
Following the activation of the Stargazers auto-destruct, Picard was taken to an alternate reality by the omnipotent entity Q.

Starships 
The following is a complete list of Federation starships that participated in the incident. A dagger (†) indicates it was part of the initial fleet, but not the subsequent fleet; a double-dagger (‡) indicates it was part of the subsequent armada, but not the initial.

Conflicts