Iron Skull | Skulls Halo 3 Guide

Level: Sierra 117

To get to it, you need to leave the room where you freed those marines and turn left. The go straight ahead, towards the big bridge and take the steps to reach those pipes you can see stretching along hangar windows.

Effect: If you die in solo mode, you respawn at the entrance to a given area, and not on a checkpoint. In co-op mode, if someone dies, all players return to the nearest checkpoint.