▁fl ights , ▁Mus gra ve ▁has ▁spent ▁a ▁total ▁of ▁ 1 , 2 8 1 ▁hours , ▁ 5 9 ▁minutes , ▁ 2 2 ▁seconds ▁on ▁space ▁miss ions , ▁including ▁nearly ▁ 2 7 ▁hours ▁of ▁E VA . ▁ ▁Mus gra ve ▁is ▁the ▁only ▁astr onaut ▁to ▁have ▁flow n ▁on ▁all ▁five ▁Space ▁Sh utt les . ▁Prior ▁to ▁John ▁Gl enn ' s ▁return ▁to ▁space ▁in ▁ 1 9 9 8 , ▁Mus gra ve ▁held ▁the ▁record ▁for ▁the ▁oldest ▁person ▁in ▁orbit , ▁at ▁age ▁ 6 1 . ▁ ▁He ▁retired ▁from ▁NASA ▁in ▁ 1 9 9 7 . ▁ ▁Space fl ight ▁experience ▁ ▁ST S - 6 ▁ ▁He ▁first ▁fle w ▁on ▁ST S - 6 , ▁which ▁launched ▁from ▁the ▁Kennedy ▁Space ▁Center , ▁on ▁April ▁ 4 , ▁ 1 9 8 3 , ▁and ▁land ed ▁at ▁Edwards ▁Air ▁Force ▁Base ▁in ▁California , ▁on ▁April ▁ 9 , ▁ 1 9 8 3 . ▁During ▁this ▁ma iden ▁voyage ▁of ▁Space ▁Sh utt le ▁Ch allen ger , ▁the ▁crew ▁performed ▁the ▁first ▁Sh utt le ▁deployment ▁of ▁an ▁I US / T DR S ▁satellite , ▁and ▁Mus gra ve ▁and ▁Don ▁Pet erson ▁conducted ▁the ▁first ▁Space ▁Sh utt le ▁extra - ve h icular ▁activity ▁( E VA ) ▁to ▁test ▁the ▁new ▁space ▁su its ▁and ▁construction ▁and ▁repair ▁devices ▁and ▁procedures . ▁Mission ▁duration ▁was ▁ 5 ▁days