ed ▁out ▁facilities ▁of ▁Str ateg ic ▁Air ▁Command ▁bases ▁for ▁the ▁S CC A ' s ▁use ; ▁the ▁S CC A ▁re lied ▁heavily ▁on ▁these ▁ven ues ▁during ▁the ▁early ▁and ▁mid - 1 9 5 0 s ▁during ▁the ▁transition ▁from ▁street ▁racing ▁to ▁permanent ▁circ uits . ▁ ▁By ▁ 1 9 6 2 , ▁the ▁S CC A ▁was ▁task ed ▁with ▁man aging ▁the ▁U . S . ▁World ▁Sport scar ▁Championship ▁r ounds ▁at ▁Day ton a , ▁Seb ring , ▁Bridge ham pton ▁and ▁Wat kins ▁Glen . ▁ ▁The ▁club ▁was ▁also ▁involved ▁in ▁the ▁Formula ▁ 1 ▁U . S . ▁Grand ▁Prix . ▁S CC A ▁Executive ▁Director ▁John ▁Bishop ▁helped ▁to ▁create ▁the ▁United ▁States ▁Road ▁Racing ▁Championship ▁series ▁for ▁Group ▁ 7 ▁sports ▁cars ▁to ▁recover ▁races ▁that ▁had ▁been ▁taken ▁by ▁rival ▁US AC ▁Road ▁Racing ▁Championship . ▁Bishop ▁was ▁also ▁instrument al ▁in ▁found ing ▁the ▁S CC A ▁Trans - Am ▁Series ▁and ▁the ▁S CC A / C ASC ▁Can - Am ▁series . ▁ ▁In ▁ 1 9 6 9 , ▁t ension ▁and ▁inf ight ing ▁over ▁Pro ▁Racing ' s ▁aut onomy ▁caused ▁Bishop ▁to ▁res ign ▁and ▁help ▁form ▁the ▁International ▁Motor ▁Sports ▁Association . ▁ ▁San ction ed ▁racing ▁ ▁Professional ▁racing ▁ ▁The ▁S CC A ▁dropped ▁its ▁amateur ▁policy ▁in ▁ 1 9 6 2 ▁and ▁began ▁san ction ing ▁professional ▁racing . ▁In ▁ 1 9 6