History and specifics
In the year 2364, Shuttlecraft 13 crashed on Vagra II while transporting USS Enterprise-D crewmembers Deanna Troi and Ben Prieto. The Enterprise rescued them from Armus, but not before the entity killed Natasha Yar. Vagra II was subsequently placed under quarantine. (TNG episode: "Skin of Evil")
In the year 22,862, an automated explorer with a rudimentary mechanical consciousness crashed on Vagra II. Armus constructed a vessel from its wreckage and Shuttlecraft 13 and escaped from Vagra II in it. (ST - Strange New Worlds VII short story: "Guardians")
- TNG episode: "Legacy"
- TNG novel: Survivors
- TNG novel: Contamination
- TNG novel: Metamorphosis
- TNG - A Time to... novel: A Time to Hate
- TNG novel: Death in Winter
- ST - Strange New Worlds V short story: "The Shoulders of Giants"
- ST - Strange New Worlds VII short story: "Guardians"
- ST reference: Federation Travel Guide
- FASA RPG module: First Year Sourcebook
- Last Unicorn RPG module: Planets of the UFP
- Last Unicorn RPG module: All Our Yesterdays: The Time Travel Sourcebook