This page contains information regarding Star Trek: Discovery, and thus may contain spoilers.
Black alert, otherwise known as alert condition black, was an alert signal used on the USS Discovery and the USS Glenn in 2256 to signify that the ship was operating its experimental spore drive. (DIS: "Context Is for Kings", "The Butcher's Knife Cares Not for the Lamb's Cry")
|Colored alerts:||Red • Double Red • Yellow • Blue • Gray • Black|
|General alerts:||Battle stations • "Brace for impact" • General quarters|
|Battle • Evacuation • Fire • Intruder • Perimeter • Proximity • Security • Standby • Tactical|