Star Wars: Jedi Knight: Dark Forces II: Level 10: 8t88's Reward & Level 11: The Brothers of the Sith

The goals for level 10 are to open the topside cargo doors and jump into the ship. Shut down the venting fan and follow the main duct to the reactor core. Interrupt the reactor flow and take the lower vents into the shuttle bay. 8t88 shouldn't be far. The goals for level 11 are to defeat Gorc and Pic. Retrieve 8t88's head. Stored inside is the map to the Valley of the Jedi.