UNSC Marine Corps Battle Dress Uniform, Halo University Wiki

What modern day American military branch is most like the ODSTs from Halo in terms of training and other specifics? - Quora

Gary Zeke Allison, Wiki

UNSC Marine Corps Battle Dress Uniform - Halopedia, the Halo wiki

UNSC Marine Corps Dress Uniform, Halo Alpha

When My Brain Leaks, the Drops Drip Here.: HALO Marines Continued

Stargate SG-1 - Ancient Woes (A Stargate Avatar RP) OOC, Page 2

UNSC Marine Corps Battle Dress Uniform - Halopedia, the Halo wiki

What if the Turians instead of encountering the Alliance met the UNSC instead during the Human-Covenant War? How would this First Contact go for both sides…and would they offer to help humanity

UNSC Marine Corps Battle Dress Uniform, Halo Alpha