granted they are actually known as the U.S. Marines,
3rd Marine Division, Chemical, Biological, Radiological and Nuclear defense platoon
Headquarters Battalion of the III Marine Expeditionary Force
Edit : Also the unit patches on the arms are really weird as normally the US flag and unit insignia if there are any are primarily the same colors as the uniform itself to make it harder to spot. Something like this in essence
You use part of my skin for your skin (most part) But hey, no problem man.
Just try to credit next time, I'm even calm about it, but other people may not like that next time.
And another tip, when it comes to textures like this, do not use the simple logo (just the image) look for something like USAF Patch or ARMY Patch in google images (and with transparent background) and create a layer of bump map.
But anyway, I saw that you are a beginner, in the past I was a beginner too, so good start and good luck in the next mods