Dano, yes I remember the KaBar being used by SOG. They also used Randalls, Gerbers, Swiss Army Knives, and even those cheap knives that Conrad "Ben" Baker (CISO) procurred from Japan. Allot of SOG members took their unwrapped SOG knives home with them along with the "BOLO" knives for keepsakes.
When you took a position in SOG you were issued a few things.
1) A SOG Recon Bowie
2) Seiko watch
3) And, I believe a "Demo" knife.
I'll have to look up what is for sure the 3rd one. Give me some time on that one Dan.
These things (1-2) you were able to keep and go home with them. You could also use them in your equipment rigs. You could almost always get replacements.
As far as the watch goes, some guys would get R&R to Hawaii, Manilla, Bangkok, and a number of any major cities in SEA that were considered good and safe for your family to meet you at. Or, you could meet them half way in Hawaii.
Yes Dan, I see the two bayonets there. Definately used by regular Army and Marines along with the ARVN soldiers as you have stated. Good eye for detail and research on your part Dan! You have joined the club of the Vietnam Collectors Dan. Keep up the great work my friend!!!!

arty:
The helmet can be left like that without a cover or even without the steel pot and used with just the liner as used by some MP's and the "White Mice". The M-14 Bayonets are getting ever so slowly hard to come by in the near future.:tinysmile_cry_t2:
You (anybody interested in collecting somthing else from Vietnam) can just start with Bayonets used in Vietnam alone and it would take you years to get all of the manufacterers blades. I only am reminded by a company here in Ohio near Columbus called "MilPar" they made allot of M-16 bayonets.
Dan Pm me when you can. I want to know if you are Gay? Just kidding:tinysmile_hmm_t: PM me as soon as you can.