illery , ▁and ▁in activ ated ▁at ▁Fort ▁S ill , ▁Oklahoma ▁( former ▁Head quarters ▁and ▁Head quarters ▁B atter y , ▁ 2 d ▁How itzer ▁Battalion , ▁ 1 st ▁Art illery , ▁concurrent ly ▁re organ ized ▁and ▁red es ign ated ▁as ▁the ▁ 2 d ▁Battalion , ▁ 1 st ▁Field ▁Art illery ▁– ▁here after ▁separate ▁line age ) ▁▁ 2 d ▁Battalion , ▁ 1 st ▁Air ▁Def ense ▁Art illery , ▁activ ated ▁ 1 3 ▁September ▁ 1 9 7 2 ▁in ▁McC ul ly ▁Bar ra cks , ▁Main z - W acker heim , ▁Germany ▁ ▁In activ ated ▁ 3 0 ▁June ▁ 1 9 8 3 ▁in ▁Germany ▁ ▁Activ ated ▁ 1 6 ▁June ▁ 1 9 8 7 ▁at ▁Fort ▁Bl iss , ▁Texas ▁ ▁In activ ated ▁ 1 5 ▁September ▁ 1 9 9 4 ▁at ▁Fort ▁Bl iss , ▁Texas ▁ ▁Activ ated ▁ 4 ▁May ▁ 1 9 9 6 ▁at ▁Fort ▁Lewis , ▁Washington ▁ ▁Red es ign ated ▁ 1 ▁October ▁ 2 0 0 5 ▁as ▁the ▁ 2 d ▁Battalion , ▁ 1 st ▁Air ▁Def ense ▁Art illery ▁Regiment ▁ ▁Camp aign ▁participation ▁credit ▁* ▁sign ifies ▁that ▁the ▁unit ▁has ▁an ▁E arn ed ▁Cred it ▁for ▁that ▁campaign ▁ ▁War ▁of ▁ 1 8 1 2 : ▁* Can ada ▁ ▁Indian ▁Wars : ▁* Sem in oles ; ▁Texas ▁ 1 8 5 9 ▁