Interest has probably peaked, but here we are again.
Restored cut USAR non-divisional transportation unit content, added non-divisional USAR and NG transportation units, added new annex explaining what a tactical carrier battalion was (warning original writing here plus, gasp, GM advice), added non-divisional infantry battle groups to NG section, did some more editing, fixed errors in the table of contents.
Bonus zip file link with a bundle of some circa 1960-1962 US Army Field Manuals of the era I've been consulting in my own game planning.