ped ition ▁ 1 6 ▁was ▁the ▁first ▁I SS ▁mission ▁to ▁include ▁two ▁crew ▁members ▁who ▁had ▁served ▁on ▁a ▁previous ▁expedition , ▁and ▁the ▁first ▁time ▁a ▁former ▁commander ▁( M alen chen ko ) ▁returned ▁as ▁a ▁flight ▁engineer . ▁Whit son ▁was ▁the ▁first ▁female ▁commander ▁of ▁an ▁I SS ▁expedition , ▁and ▁with ▁ST S - 1 2 0 ▁commanded ▁by ▁female ▁astr onaut ▁Pam ela ▁Mel roy , ▁it ▁marked ▁the ▁first ▁time ▁that ▁two ▁female ▁mission ▁command ers ▁were ▁in ▁orbit ▁simultaneously . ▁On ▁her ▁first ▁expedition , ▁Whit son ▁implemented ▁a ▁" F rid ay ▁night ▁movie ▁night " ▁to ▁help ▁the ▁crew ▁wind ▁down ▁at ▁the ▁end ▁of ▁the ▁week , ▁and ▁plans ▁to ▁keep ▁the ▁custom ▁of ▁adding ▁some ▁lev ity ▁to ▁the ▁station ▁going ▁for ▁Ex ped ition ▁ 1 6 . ▁Anderson ▁incorpor ated ▁some ▁entertain ment ▁into ▁the ▁daily ▁planning ▁conference ▁with ▁the ▁ground , ▁qu izz ing ▁the ▁ground ▁team ▁on ▁a ▁wide ▁variety ▁of ▁subjects , ▁and ▁Michael ▁L ope z - A leg ria ▁did ▁a ▁similar ▁activity ▁with ▁movie ▁and ▁music ▁t riv ia . ▁ ▁ST S - 1 2 0 ▁The ▁first ▁major ▁objective ▁of ▁the ▁increment ▁was ▁accomplished ▁successfully ▁on ▁ 2 6 ▁October , ▁when ▁the ▁crew ▁of ▁ST S - 1 2 0 ▁delivered ▁the ▁Harm ony ▁module , ▁and ▁attached ▁it ▁to ▁a ▁temporary ▁location ▁on ▁the ▁Unity ▁module . ▁The ▁new ▁addition ▁added ▁over ▁ ▁to ▁the ▁station '