▁this ▁mission . ▁ ▁The ▁establishment ▁of ▁the ▁group ▁was ▁finally ▁approved ▁in ▁August ▁ 1 9 3 9 , ▁with ▁the ▁understanding ▁that ▁the ▁group ▁would ▁also ▁assume ▁the ▁demonstr ation ▁and ▁exhibition ▁function ▁that ▁was ▁being ▁carried ▁out ▁by ▁combat ▁units ▁of ▁Air ▁Force ▁Com bat ▁Command . ▁ ▁The ▁group ▁was ▁also ▁assigned ▁the ▁mission ▁of ▁performing ▁tact ical ▁service ▁tests ▁of ▁aircraft ▁and ▁other ▁equipment ; ▁developing ▁and ▁testing ▁new ▁air ▁tact ics ; ▁and ▁demonstr ating ▁these ▁new ▁tact ics ▁to ▁the ▁service ▁schools ▁of ▁the ▁other ▁branches ▁of ▁the ▁Army , ▁to ▁General ▁Head quarters , ▁and ▁at ▁Air ▁Corps ▁stations . ▁ ▁However , ▁because ▁the ▁T act ical ▁School ▁susp ended ▁classes ▁in ▁June ▁ 1 9 4 0 , ▁because ▁experienced ▁officers ▁were ▁required ▁for ▁the ▁expansion ▁of ▁the ▁Air ▁Corps ▁in ▁response ▁to ▁the ▁war ▁in ▁Europe ▁and ▁could ▁not ▁be ▁sp ared ▁for ▁a ▁nine - month - long ▁school , ▁the ▁group ▁was ▁only ▁able ▁to ▁support ▁the ▁school ▁for ▁a ▁short ▁time . ▁ ▁In ▁September ▁ 1 9 4 0 , ▁the ▁group ▁moved ▁to ▁Or lando ▁Army ▁Air ▁Base , ▁Florida , ▁which ▁would ▁become ▁the ▁base ▁for ▁the ▁Army ▁Air ▁Forces ▁School ▁of ▁App lied ▁T act ics . ▁ ▁The ▁group ▁transferred ▁from ▁Or lando ▁for ▁assignment ▁to ▁Eg lin ▁Field ▁to ▁conduct ▁flight ▁testing ▁activities ▁in ▁July ▁ 1 9 4 1 . ▁ ▁At ▁Eg lin ▁it ▁was ▁red es ign ated ▁as ▁the