mouth - H itch cock ▁Medical ▁Center . ▁ ▁Currently , ▁Buck ey ▁is ▁a ▁Professor ▁of ▁Medicine ▁at ▁the ▁D art mouth ▁Medical ▁School . ▁He ▁was ▁also ▁a ▁flight ▁sur geon ▁with ▁the ▁U . S . ▁Air ▁Force ▁Reserve ▁for ▁ 8 ▁years . ▁ ▁Space fl ight ▁experience ▁In ▁ 1 9 9 8 ▁he ▁was ▁a ▁Pay load ▁Special ist ▁ab o ard ▁NASA ▁Space ▁Sh utt le ▁flight ▁ST S - 9 0 ▁as ▁part ▁of ▁the ▁Neu rol ab ▁mission ▁from ▁April ▁ 1 7 ▁to ▁May ▁ 3 , ▁ 1 9 9 8 . ▁A board ▁the ▁Neu rol ab ▁Mission , ▁Buck ey ▁was ▁the ▁Pay load ▁Special ist ▁for ▁the ▁experiment ▁" Card i ov asc ular ▁Ada pt ation ▁to ▁Zero - G rav ity " ▁and ▁assist ed ▁with ▁other ▁Sp ac el ab ▁Life ▁Sciences ▁experiments . ▁During ▁the ▁ 1 6 - day ▁Sp ac el ab ▁flight , ▁the ▁seven ▁person ▁crew ▁ab o ard ▁Space ▁Sh utt le ▁Columbia ▁served ▁as ▁both ▁experiment ▁subjects ▁and ▁operators ▁for ▁ 2 6 ▁individual ▁life ▁science ▁experiments ▁foc using ▁on ▁the ▁effects ▁of ▁micro gravity ▁on ▁the ▁brain ▁and ▁nerv ous ▁system . ▁The ▁ST S - 9 0 ▁flight ▁orb ited ▁the ▁Earth ▁ 2 5 6 ▁times , ▁covered ▁ 6 . 3 ▁million ▁miles , ▁and ▁logged ▁him ▁over ▁ 3 8 1 ▁hours ▁in ▁space . ▁ ▁Polit ics ▁ ▁Research ▁ ▁In ▁ 2