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Mission 1: Sierra 117
Halo 3

Mission 1: Sierra 117

Halo 3 Mission 1: Sierra 117 walkthrough. Guide Master Chief through the jungle, fight Covenant, and link up with Johnson.

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Mission 1: Sierra 117

Halo 3 Mission 1: Sierra 117 walkthrough. Guide Master Chief through the jungle, fight Covenant, and link up with Johnson.

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Mission 1: Sierra 117

Halo 3 Mission 1: Sierra 117 walkthrough. Guide Master Chief through the jungle, fight Covenant, and link up with Johnson.

Sections in this chapter (1)
Rescue the Marines
Rescue captured Marines in Halo 3's Mission 2, 'Crow's Nest.' Battle Brute Chieftains and their escorts to free allies in the holding cells.

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