PL M . ▁Un like ▁previous ▁M PL M ▁miss ions ▁that ▁delivered ▁large ▁compart ments ▁and ▁devices ▁to ▁out fit ▁the ▁space ▁station ▁labor ator ies , ▁ST S - 1 3 5 ▁delivered ▁only ▁b ags ▁and ▁supply ▁containers . ▁The ▁M PL M ▁was ▁filled ▁with ▁ 1 6 ▁res upp ly ▁ra cks , ▁which ▁is ▁the ▁maximum ▁that ▁it ▁could ▁handle . ▁E ight ▁Res upp ly ▁St ow age ▁Platform s ▁( R SP s ), ▁two ▁Integr ated ▁St ow age ▁Platform s ▁( IS P s ), ▁six ▁Res upp ly ▁St ow age ▁R acks ▁( RS R s ) ▁and ▁one ▁Zero - G ▁St ow age ▁R ack ▁( Z SR ), ▁which ▁s its ▁above ▁another ▁ra ck ▁during ▁transport . ▁ ▁On ▁flight ▁day ▁ 4 , ▁R aff a ello ▁was ▁lifted ▁out ▁of ▁Atl ant iss ▁payload ▁bay ▁using ▁the ▁station ' s ▁Canad arm 2 . ▁It ▁was ▁ber th ed ▁to ▁nad ir ▁port ▁of ▁the ▁Harm ony ▁node . ▁After ▁comple ting ▁the ▁cargo ▁trans fers ▁to ▁the ▁I SS , ▁R aff a ello ▁was ▁loaded ▁with ▁almost ▁ ▁of ▁un ne eded ▁equipment ▁and ▁station ▁waste ▁to ▁be ▁brought ▁back ▁to ▁Earth . ▁On ▁flight ▁day ▁ 1 1 , ▁the ▁M PL M ▁was ▁det ached ▁from ▁Harm ony ▁and ▁was ▁secured ▁in ▁the ▁cargo ▁bay ▁of ▁the ▁sh utt le . ▁ ▁Light weight ▁Multi - P ur pose ▁Car rier