HALO - Heavy marine by GC-Conceptart on DeviantArt

Sci fi Armor Design 4 by NotMuchNormal on DeviantArt

UNION Marauder Power Armor by GC-Conceptart on DeviantArt

Halo OC Fei (Commission) by VFlashback on DeviantArt

Commission: Halo UNSC Pilot by Watchful-Bystander on DeviantArt

halo 3 marine armor 4 by redner on DeviantArt

UNSC Marine Sentry (H2A) by LordHayabusa357 on DeviantArt

Halo Spartan II by AlexMcGreal on DeviantArt

Thomas Bailey Reference Sheet by Crimson-Quill-086 on DeviantArt

HALO - H3 MARINE by GC-Conceptart on DeviantArt