▁Ge ological ▁Survey , ▁ 1 9 6 7 . ▁ ▁Ant ar ctic ▁Digital ▁Database ▁( ADD ). ▁Sc ale ▁ 1 : 2 5 0 0 0 0 ▁top ographic ▁map ▁of ▁Ant arct ica . ▁Scient ific ▁Committee ▁on ▁Ant ar ctic ▁Research ▁( SC AR ). ▁Since ▁ 1 9 9 3 , ▁regularly ▁upgrad ed ▁and ▁updated . ▁ ▁Category : G la ci ers ▁of ▁Th ur ston ▁Island <0x0A> </s> ▁L una ▁ 2 8 ▁( L una ▁Resource ▁ 2 ▁or ▁L una - Gr unt ▁ro ver ) ▁is ▁a ▁proposed ▁sample - return ▁mission ▁from ▁the ▁south ▁polar ▁region ▁of ▁the ▁Moon . ▁▁ ▁L una ▁ 2 8 ▁is ▁proposed ▁to ▁launch ▁no ▁earlier ▁than ▁ 2 0 2 5 , ▁and ▁it ▁would ▁be ▁composed ▁of ▁a ▁station ary ▁land er ▁and ▁a ▁lun ar ▁ro ver . ▁The ▁ro ver ▁would ▁bring ▁soil ▁samples ▁back ▁to ▁the ▁land er ▁and ▁transfer ▁them ▁into ▁the ▁as cent ▁stage , ▁which ▁would ▁launch ▁and ▁insert ▁itself ▁into ▁a ▁ 1 0 0 - kil ometer ▁lun ar ▁orbit . ▁While ▁in ▁lun ar ▁orbit , ▁the ▁soil - car ry ing ▁caps ule ▁would ▁be ▁intercept ed ▁by ▁an ▁orbit ing ▁return ▁module , ▁which ▁would ▁perform ▁all ▁rende z vous ▁operations ▁and ▁transfer ▁the ▁samples . ▁After ▁re loading ▁the ▁samples , ▁the ▁return ▁vehicle ▁separ ates ▁from ▁the ▁orb iter ▁and ▁heads ▁to ▁Earth , ▁while ▁the ▁orb ital ▁module