ant ▁for ▁the ▁Bo eing ▁X - 2 0 ▁D yna - So ar ▁project . ▁He ▁also ▁had ▁a ▁role ▁on ▁the ▁creation ▁of ▁ideas ▁and ▁projects , ▁which , ▁in ▁the ▁end , ▁led ▁to ▁the ▁creation ▁of ▁the ▁Space ▁Sh utt le . ▁D orn berger ▁also ▁developed ▁Bell ' s ▁AS M - A - 2 , ▁the ▁world ' s ▁first ▁gu ided ▁nuclear ▁air - to - sur face ▁miss ile ▁developed ▁for ▁the ▁Str ateg ic ▁Air ▁Command . ▁D orn berger ▁ad vised ▁Germany ▁on ▁a ▁European ▁space ▁program . ▁During ▁the ▁ 1 9 5 0 s ▁he ▁had ▁some ▁differences ▁with ▁von ▁Braun ▁and ▁was ▁instrument al ▁in ▁rec ruit ing ▁several ▁engine ers ▁out ▁of ▁the ▁Hun ts ville ' s ▁team ▁for ▁Air ▁Force ▁projects . ▁The ▁most ▁remarkable ▁of ▁them ▁was ▁Kra ff t ▁Ehr ic ke , ▁who ▁later ▁created ▁the ▁Cent aur ▁ro cket ▁stage ▁and ▁act ively ▁participated ▁in ▁several ▁more ▁Def ense ▁projects . ▁ ▁Following ▁ret irement , ▁D orn berger ▁went ▁to ▁Mexico ▁and ▁later ▁returned ▁to ▁Germany , ▁where ▁he ▁died ▁in ▁ 1 9 8 0 ▁in ▁Baden - W ür ttemberg . ▁ ▁Works ▁ ▁Awards ▁and ▁decor ations ▁ ▁Iron ▁Cross ▁( 1 9 1 4 ), ▁ 1 st ▁and ▁ 2 nd ▁Class ▁ ▁Knight ▁Second ▁Class ▁of ▁the ▁House ▁Order ▁of ▁the ▁White ▁Fal con , ▁with ▁S words ▁ ▁W ound ▁Bad ge ▁( 1 9