Spartan being prepped for battle

1920 × 1080

Master Chief in combat armor

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Master Chief in dark armor

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soldier in red armor with rifle

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soldier in futuristic armor

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Two Soldiers in Armor — Green

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Spartan at a table with weapons

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Halo: Reach concept art

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Fallout power armor helmet

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cyborg soldier in armor

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Guardian armor with emblem

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Salarian soldier in armor

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Titan character in futuristic armor

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Goldmaster Nanosuit from Crysis

1280 × 1024

Goldmaster Nanosuit

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Halo Spartan soldier

1024 × 768

Spartan soldier in armor

1024 × 768

Spartans in combat formation

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Spartan in combat stance

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Halo Spartan character

1280 × 720