Perilous Journey

Perilous Journey is the fifth track included in Halo: Original Soundtrack.

Appearances
The soundtrack can be heard:
 * In the level The Pillar of Autumn, after John-117 encounter the first group of Covenant to board through the use of the lifeboat airlocks.
 * In the level Assault on the Control Room when John-117 comes across the last group of Marines of Fireteam Zulu, and lead them to their eventual location to be evacuated.
 * At the beginning of the level Two Betrayals as the Aggressor Sentinels attack John-117 in the Control Room.

Reorchestrated versions
The track is reorchestrated into the following:
 * Make Them Pay of Farthest Outpost of Halo 3: Original Soundtrack.
 * First Step of Halo: Combat Evolved Anniversary Original Soundtrack.