
Icarus IV was a comet which passed near the Romulan Neutral Zone in the year 2266.
History and specifics[]

Icarus IV vicinity.
Icarus IV is a feature of the Gamma Hydrae star system in the galaxy's Beta Quadrant. (ST reference: Star Charts)
In this year, the comet was passed by the Romulan bird-of-prey ChR Gal Gath'thong during the Battle of Icarus IV and revealed their position to the crew of the USS Enterprise following an attack on several Earth outposts. (TOS episode: "Balance of Terror"; CCG set: The Trouble with Tribbles; ST novel: The Return)
Appendices[]
References[]
- ST reference: Star Charts
- TOS episode: "Balance of Terror"
- CCG set: The Trouble with Tribbles
- ST novel: The Return
- SNW episode: "A Quality of Mercy"
External link[]
- Icarus IV article at Memory Alpha, the wiki for canon Star Trek.