0 9 th ▁T ank ▁Battalion ▁on ▁ 2 0 ▁October ▁ 1 9 5 0 ▁and ▁rel ieved ▁from ▁its ▁assignment ▁to ▁the ▁ 2 nd ▁Caval ry ▁Division . ▁The ▁batt alion ▁was ▁activ ated ▁at ▁Camp ▁Pol k , ▁Louisiana ▁on ▁ 1 ▁November ▁of ▁that ▁year ▁and ▁in activ ated ▁at ▁Fort ▁Kno x ▁on ▁ 1 0 ▁April ▁ 1 9 5 6 . ▁The ▁regiment ▁was ▁re organ ized ▁and ▁red es ign ated ▁as ▁the ▁ 9 th ▁Caval ry ▁on ▁ 1 ▁December ▁ 1 9 5 7 , ▁becoming ▁a ▁parent ▁regiment ▁under ▁the ▁Com bat ▁Ar ms ▁Regiment al ▁System . ▁ ▁The ▁ 1 st ▁Re con na issance ▁Squadron , ▁ 9 th ▁Caval ry ▁was ▁assigned ▁to ▁the ▁ 1 st ▁Caval ry ▁Division ▁in ▁Korea ▁and ▁activ ated ▁on ▁ 1 ▁November ▁ 1 9 5 7 ▁from ▁the ▁ 1 st ▁Caval ry ▁Division ' s ▁ 1 6 th ▁Re con na issance ▁Company ▁as ▁the ▁division ▁reconna issance ▁squad ron . ▁It ▁became ▁ 1 st ▁Squadron , ▁ 9 th ▁Caval ry ▁( 1 - 9 ▁Caval ry ) ▁on ▁ 1 ▁September ▁ 1 9 6 3 , ▁and ▁was ▁transferred ▁to ▁Fort ▁Ben ning ▁on ▁ 1 ▁July ▁ 1 9 6 5 ▁without ▁personnel ▁and ▁equipment ▁to ▁become ▁an ▁experimental ▁air ▁caval ry ▁unit , ▁re flag ged ▁from ▁the ▁ 3 rd ▁Squadron , ▁ 1 7 th ▁Caval ry ▁of