The website is no-quarter.org. It has anadvanced search option. The more infoyouhave the better your chances.
I was inthe 28th Inf Rgt of the Ist Inf Div., if Fred was inthe 28th,we have a website (28thInfanrty.org) there is a casualty list and a message board for people trying tofind out infoof their relatives.
Here are some other Ist Inf Div regimentalwebsites. 2ndInfantry.org, 16thInfantry.org, 18thInfantry.org26thInfantry.org. If Fred wasn't inthe infantry, but inthe Ist Inf Div, here is a list of the supporting units. I don't know their website addresses, but youcanprobably google them. Ist AvationBn,Ist Engineer Bn,1st Ssquad, 4th Cav. 1st BN 5th Artillery,1st Bn 7thArtillery, 2nd Bn 33rd Artillery, 8thBn 6th Artillery, 6th BN 15th Artillery,1st Brigade, 2nd Brigade, 3rd Brigade, DivisionArtillery, Support Command, HQ &HQ Co Ist Admin company, 1st MP Company, 1st Medical BN, 1st S&T Bn, 701st Maintenance Bn, 121st SignalBn.... These were allunits that served inVietnam under the umbrella of the Ist Inf Div.. Some of the other Divisions inVietnamin1967 were the 4th INf Div, the 101st Airborne Div, the 173rd Airborne Div & the 25th Inf Div.
If Fred was a Marine, I don't know muchabout their units, youcantry googling Marine units inVietnam in1967.