▁Category : Ad vert ising ▁in ▁the ▁United ▁States ▁Category : 1 9 0 9 ▁in ▁Ut ah ▁Category : Public ity ▁st un ts <0x0A> </s> ▁The ▁D elta ▁E , ▁or ▁Thor - Delta ▁E ▁was ▁an ▁American ▁exp end able ▁launch ▁system ▁used ▁for ▁twenty - three ▁orb ital ▁launch es ▁between ▁ 1 9 6 5 ▁and ▁ 1 9 7 1 . ▁It ▁was ▁a ▁member ▁of ▁the ▁D elta ▁family ▁of ▁rock ets . ▁ ▁The ▁first ▁stage ▁was ▁a ▁Thor ▁miss ile ▁in ▁the ▁D SV - 2 C ▁configuration , ▁and ▁the ▁second ▁stage ▁was ▁the ▁D elta ▁E , ▁which ▁was ▁derived ▁from ▁the ▁earlier ▁D elta . ▁Three ▁Cast or - 1 ▁solid ▁ro cket ▁boost ers ▁were ▁cluster ed ▁around ▁the ▁first ▁stage . ▁Two ▁different ▁solid - f uel ▁upper ▁stages ▁were ▁available ; ▁an ▁Al ta ir - 2 ▁was ▁used ▁on ▁the ▁bas eline ▁version , ▁however ▁this ▁could ▁be ▁replaced ▁with ▁an ▁F W - 4 D ▁to ▁increase ▁performance . ▁A ▁D elta ▁E ▁with ▁the ▁F W - 4 D ▁upper ▁stage ▁was ▁designated ▁D elta ▁E 1 . ▁Six ▁fl ights ▁used ▁the ▁D elta ▁E ▁configuration ▁and ▁sevent een ▁used ▁the ▁D elta ▁E 1 . ▁ ▁D elta ▁E ▁rock ets ▁were ▁launched ▁from ▁Cape ▁C ana ver al ▁Air ▁Force ▁Station ▁La unch ▁Complex ▁ 1 7 ▁and ▁V anden berg ▁Air ▁Force ▁Base ▁Space ▁La unch ▁Complex ▁ 2 E .