2 0 0 ▁sites ▁in ▁Vietnam ▁and ▁Th ailand , ▁this ▁brig ade ▁became ▁the ▁largest ▁combat ▁signal ▁unit ▁ever ▁formed . ▁One ▁of ▁those ▁units ▁( formed ▁in ▁April ▁ 1 9 6 9 ▁until ▁July ▁that ▁year ), ▁a ided ▁in ▁the ▁installation ▁of ▁modern ▁communic ations ▁equipment ▁in ▁Bang ▁Ph i , ▁Th ailand ; ▁impro ving ▁the ▁information ▁networks ▁for ▁S out heast ▁Asia . ▁ ▁STR AT COM ▁leaders ▁moved ▁to ▁modify ▁the ▁command ' s ▁design ation ▁to ▁better ▁suit ▁its ▁changing ▁mission ▁by ▁dro pping ▁" str ateg ic " ▁from ▁its ▁organiz ational ▁title . ▁On ▁ 1 ▁Oct . ▁ 1 9 7 3 , ▁the ▁Army ▁re - design ated ▁STR AT COM ▁as ▁the ▁U . S . ▁Army ▁Communic ations ▁Command ▁( US AC C ). ▁ ▁U . S . ▁Army ▁Communic ations ▁Command ▁During ▁the ▁early ▁ 1 9 8 0 s , ▁Army ▁autom ation ▁focused ▁on ▁the ▁development ▁of ▁hardware ▁and ▁software ▁systems . ▁ ▁These ▁systems ▁were ▁used ▁for ▁force ▁development , ▁personnel , ▁supply , ▁pay roll , ▁medical , ▁maintenance , ▁and ▁tro op ▁support . ▁Due ▁to ▁the ▁scale ▁of ▁the ▁work , ▁the ▁Army ▁emp ower ed ▁US AC C ▁to ▁lead ▁development ▁of ▁strateg ic ▁concepts ▁for ▁information ▁systems ▁management . ▁US AC C ▁recommend ations , ▁combined ▁with ▁an ▁Army ▁Chief ▁of ▁Staff ▁vision ▁of ▁cons olid ated ▁information ▁discipl ines , ▁gave ▁gen esis ▁to ▁the ▁U . S