From Halopedia, the Halo wiki
This article is about music track. For the starship class, see Fortress-class vessel.
Fortress is the fourteenth track heard on the Halo: Reach Original Soundtrack.
The song does not appear in any full-length format in-game. However, parts of the song may be heard on various campaign levels in Halo: Reach. It also sometimes plays in various Invasion scenarios at the start of a new phase.