The 99th Combat support Bn  

Company’s of the 99th Combat Support Battalion 

Hq Co. 99th Combat Support Battalion

 A Co. Administration 99th CS Bn.

Replacement for 9th Administration Bn. and was at Tan An Air Field

B Co. Maintenance & Supply 99th CS Bn.

Replacement for 709th Maint Bn. & 9th S&T Bn. the maint was at Ben Luc and the supplys where at Tan An Air Field

C Co Medical 99th CS Bn.

Replacement for 9th Medical Bn. and was at Tan An Air Field

D Co. 99th CS Bn.