▁had ▁been ▁promoted   .. ▁[ had ] ▁too ▁many ▁people ▁under ▁[ me ] ." ▁ ▁He ▁retired ▁in ▁ 1 9 7 4 , ▁but ▁continued ▁to ▁design ▁space - mission ▁related ▁equipment . ▁ ▁He ▁designed ▁multi - axis ▁tra iner , ▁ 5 DF , ▁a ▁one - six th ▁gravity ▁chair , ▁and ▁other ▁training ▁equipment ▁for ▁the ▁U . S . ▁Space ▁& ▁Ro cket ▁Center ' s ▁Space ▁Camp . ▁ ▁As ▁of ▁ 2 0 1 5 , ▁the ▁equipment ▁is ▁still ▁in ▁use . ▁ ▁He ▁also ▁converted ▁the ▁tail ▁of ▁a ▁jet lin er ▁into ▁a ▁movie ▁the ater ▁for ▁the ▁center ' s ▁museum . ▁ ▁When ▁Alabama ▁decided ▁to ▁ere ct ▁a ▁Sat urn ▁IB ▁at ▁the ▁I - 6 5 ▁welcome ▁center ▁in ▁ 1 9 7 9 , ▁H older er ▁was ▁asked ▁to ▁facil itate . ▁ ▁" N AS A ▁said , ▁' If ▁Oscar ▁says ▁it ' s ▁OK , ▁it ' s ▁OK ,' " ▁re called ▁Buck be e . ▁He ▁remained ▁active ▁with ▁the ▁Space ▁& ▁Ro cket ▁Center ▁until ▁his ▁death . ▁ ▁Death ▁and ▁legacy ▁H older er ▁died ▁in ▁Hun ts ville ▁on ▁May ▁ 5 , ▁ 2 0 1 5 ▁at ▁the ▁age ▁of ▁ 9 5 , ▁a ▁few ▁days ▁after ▁suffering ▁a ▁stroke . ▁ ▁He ▁was ▁surv ived ▁by ▁his ▁second ▁wife , ▁Jan ▁Smith ▁Dun lap ▁H older er , ▁with ▁whom ▁he ▁had