Checked the roster, there is no Harjo in the whole entire unit history in Vietnam.

Also checking the whole entire 11th ACR roster, as I found a full roster for the whole entire unit online.

Next of kin also isn’t in there, I checked the name and individual years and could not find him. This is seeming hopeless…

Will do

I picked up this pair of (what I believe) to be 356th Fighter Squadron patches (AKA The Red Asses!... someone had a sense of humor). They are painted on leather and never sewn on a jacket. According to the dealer, they came out of the estate of a WWII pilot, but no other information on him was available.     I am not a collector of squadron patches, but I will buy them when they are cheap enough (and these were pretty cheap).  They are about 4 inches across and on a rather thick bit of leather (~1/8th inch thick).  Most of my leather squadron patches are on thinner leather, but Ron Burkey had a nearly identical one on his site.   Like I said, I don't know much, but they seem nice.   Thank you Patrick

Check out Addison's Gun Shop located on 441 between Kissimmee and Davenport Florida.   He has had a pretty good selection in the past

This helmet doesn't need to have belonged to a Marine. It could have belonged to any number of kids who lived in base housing at Quantico who wanted to play army in the dirt. Lots of kids, lots of used military gear, and everyone (at least back in the day) loved playing army in the dirt (we did, all the time, with WW2 issue helmets...) 

Again, I had stated that this could have easily been an off-base thing used by a Marine stationed at Quantico in the 1960s for use as a riding helmet or even a piece painted up for fun. But there is zero proof or evidence this is a WW2 Marine Raider helmet and others have said as much. 

You can use that site with different years in place of what I sent you. Look for that guys NOK

Well he’s dead, so that’s a shame, back to square one, seams like ghat guy might hav been in country while he was, I also searched the sight you PM’d me and there’s nothing. I tried searching Missouri and Kansas death for OK residents and I checked for Muscogee specifically to. Still nothing. There’s plenty of Harjo’s, but no our guy.