L]
Combat harness
|Unlocked by default
|Unlocked by default
|Unlocked by default
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Assault harness
|Unlocked by default
|Unlocked by default
|Unlocked by default
|-align="center"
|
Flight harness
|Complete the entire Halo 3 campaign on Heroic difficulty or higher (Campaign Complete: Heroic)
|Beat Tsavo Highway on Heroic difficulty or higher
|Beat The Ark on Heroic difficulty or higher
|-align="center"
|
Ascetic harness
|Unlock the Steppin' Razor achievement
|Unlock the Up Close and Personal achievement
|Unlock the Overkill achievement
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Commando harness
|Unlock the Overkill achievement
|Unlock the Triple Kill achievement
|
- Unlock the Killing Frenzy achievement
- Auto-unlocked for all players in Title Update 1
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