– 1 9 5 7 ). ▁ ▁In ▁ 1 9 6 1 , ▁he ▁became ▁Chief ▁of ▁the ▁Pent agon ' s ▁Foreign ▁Technology ▁des k ▁in ▁Army ▁Research ▁and ▁Development , ▁working ▁under ▁L t . ▁Gen . ▁Arthur ▁Tru de au . ▁ ▁The ▁Day ▁After ▁Ros well ▁ ▁In ▁his ▁book ▁The ▁Day ▁After ▁Ros well ▁( co - author ▁William ▁J . ▁Bir nes ), ▁Cor so ▁claims ▁he ▁ste ward ed ▁extr ater rest rial ▁artifact s ▁recovered ▁from ▁a ▁crash ▁near ▁Ros well , ▁New ▁Mexico , ▁in ▁ 1 9 4 7 . ▁ ▁Cor so ▁says ▁a ▁cover t ▁government ▁group ▁was ▁assemble d ▁under ▁the ▁leadership ▁of ▁Ad m . ▁Ros co e ▁H . ▁Hill en ko etter , ▁the ▁first ▁director ▁of ▁Central ▁Int elligence ▁( see ▁Maj estic ▁ 1 2 ). ▁Among ▁its ▁tasks ▁was ▁to ▁collect ▁all ▁information ▁on ▁off - plan et ▁technology . ▁The ▁US ▁administration ▁simultaneously ▁disc ount ed ▁the ▁existence ▁of ▁flying ▁sau cers ▁in ▁the ▁eyes ▁of ▁the ▁public , ▁Cor so ▁says . ▁ ▁According ▁to ▁Cor so , ▁the ▁reverse ▁engineering ▁of ▁these ▁artifact s ▁indirect ly ▁led ▁to ▁the ▁development ▁of ▁acceler ated ▁particle ▁beam ▁devices , ▁fi ber ▁opt ics , ▁las ers , ▁integrated ▁circuit ▁ch ips ▁and ▁Ke v lar ▁material . ▁ ▁In ▁the ▁book , ▁Cor so ▁claims ▁the ▁Str ateg ic ▁Def ense ▁In iti ative ▁( S DI ), ▁or ▁" Star ▁Wars