▁Since ▁ 2 0 1 2 , ▁the ▁European ▁Space ▁Agency ▁has ▁been ▁working ▁on ▁the ▁design ▁of ▁a ▁mission ▁to ▁remove ▁large ▁space ▁de br is ▁from ▁orbit . ▁The ▁mission , ▁e . De or bit , ▁is ▁scheduled ▁for ▁launch ▁during ▁ 2 0 2 3 ▁with ▁an ▁objective ▁to ▁remove ▁de br is ▁heav ier ▁than ▁ ▁from ▁LE O . ▁Several ▁capture ▁techniques ▁are ▁being ▁studied , ▁including ▁a ▁net , ▁a ▁har po on ▁and ▁a ▁combination ▁robot ▁arm ▁and ▁cl amp ing ▁mechanism . ▁ ▁Har po on ▁▁ ▁The ▁Remove DE BR IS ▁mission ▁plan ▁is ▁to ▁test ▁the ▁effic acy ▁of ▁several ▁A DR ▁techn ologies ▁on ▁mock ▁targets ▁in ▁low ▁Earth ▁orbit . ▁In ▁order ▁to ▁complete ▁its ▁planned ▁experiments ▁the ▁platform ▁is ▁equ ipped ▁with ▁a ▁net , ▁a ▁har po on , ▁a ▁las er ▁r anging ▁instrument , ▁a ▁drag s ail , ▁and ▁two ▁C ube S ats ▁( min i ature ▁research ▁sat ell ites ). ▁The ▁mission ▁was ▁launched ▁on ▁ 2 ▁April ▁ 2 0 1 8 . ▁ ▁National ▁and ▁international ▁reg ulation ▁▁ ▁There ▁is ▁no ▁international ▁treat y ▁minim izing ▁space ▁de br is . ▁However , ▁the ▁United ▁Nations ▁Committee ▁on ▁the ▁Peace ful ▁Us es ▁of ▁Out er ▁Space ▁( CO PU OS ) ▁published ▁volunt ary ▁gu idel ines ▁in ▁ 2 0 0 7 , ▁ ▁using ▁a ▁variety ▁of ▁earlier ▁national ▁regul atory ▁attempts ▁at ▁developing ▁standards ▁for