eu ver ▁planning . ▁For ▁example , ▁in ▁January ▁ 2 0 1 7 , ▁the ▁European ▁Space ▁Agency ▁made ▁the ▁decision ▁to ▁alter ▁orbit ▁of ▁one ▁of ▁its ▁three ▁Sw arm ▁mission ▁space craft , ▁based ▁on ▁data ▁from ▁the ▁US ▁J oint ▁Space ▁Oper ations ▁Center , ▁to ▁lower ▁the ▁risk ▁of ▁collision ▁from ▁Cos mos - 3 7 5 , ▁a ▁der el ict ▁Russian ▁satellite . ▁ ▁C rew ed ▁space craft ▁▁ ▁C rew ed ▁fl ights ▁are ▁naturally ▁particularly ▁sensitive ▁to ▁the ▁ha z ards ▁that ▁could ▁be ▁presented ▁by ▁space ▁de br is ▁conj unction s ▁in ▁the ▁orb ital ▁path ▁of ▁the ▁space craft . ▁Ex amples ▁of ▁occas ional ▁avoid ance ▁man eu vers , ▁or ▁longer - term ▁space ▁de br is ▁wear , ▁have ▁occurred ▁in ▁Space ▁Sh utt le ▁miss ions , ▁the ▁M IR ▁space ▁station , ▁and ▁the ▁International ▁Space ▁Station . ▁ ▁Space ▁Sh utt le ▁miss ions ▁▁ ▁From ▁the ▁early ▁Space ▁Sh utt le ▁miss ions , ▁NASA ▁used ▁N OR AD ▁space ▁monitoring ▁capabilities ▁to ▁assess ▁the ▁Sh utt le ' s ▁orb ital ▁path ▁for ▁de br is . ▁In ▁the ▁ 1 9 8 0 s , ▁this ▁used ▁a ▁large ▁proportion ▁of ▁N OR AD ▁capacity . ▁The ▁first ▁collision - av oid ance ▁man eu ver ▁occurred ▁during ▁ST S - 4 8 ▁in ▁September ▁ 1 9 9 1 , ▁a ▁seven - second ▁thr uster ▁burn ▁to ▁avoid ▁de