1 7 ▁still ▁existing ▁V T ▁and ▁ 1 4 ▁still ▁existing ▁Bomb ing ▁( VB ) ▁squad rons ▁were ▁red es ign ated ▁Att ack ▁( VA ) ▁squad rons ▁and ▁the ▁V T ▁and ▁VB ▁design ations ▁were ▁elimin ated . ▁On ▁ 1 ▁May ▁ 1 9 6 0 ▁the ▁V T ▁design ation ▁was ▁res ur rect ed ▁as ▁the ▁design ation ▁for ▁training ▁squad rons ▁but ▁there ▁is ▁no ▁relationship ▁between ▁the ▁training ▁squad rons ▁which ▁have ▁used ▁the ▁V T ▁design ation ▁since ▁ 1 9 6 0 ▁and ▁the ▁Tor ped o ▁or ▁Tor ped o ▁and ▁Bomb ing ▁squad rons ▁of ▁the ▁ 1 9 2 0 s ▁to ▁ 1 9 4 0 s . ▁The ▁V T N ▁design ation ▁was ▁used ▁from ▁ 1 9 4 4 ▁to ▁ 1 9 4 6 ▁to ▁design ate ▁" N ight ▁Tor ped o ▁Squad rons " ▁ ▁The ▁table ▁below ▁is ▁a ▁partial ▁list ▁of ▁the ▁approximately ▁ 9 0 ▁to ▁ 1 0 0 ▁squad rons ▁which ▁carried ▁the ▁V T ▁design ation ▁between ▁ 1 9 2 1 ▁and ▁ 1 9 4 6 . ▁ ▁Squadron ▁Design ations ▁last ▁used ▁between ▁ 1 9 4 8 ▁and ▁ 1 9 7 9 ▁Naval ▁A viation ▁under w ent ▁massive ▁changes ▁after ▁W W II ▁with ▁great ▁redu ctions ▁in ▁numbers ▁and ▁with ▁new ▁techn ologies ▁that ▁fost ered ▁the ▁creation ▁of ▁new ▁types ▁of ▁aircraft ▁squad rons . ▁The ▁design