At lant is ▁and ▁Space ▁Station ▁crew ▁members ▁said ▁their ▁good by es ▁and ▁closed ▁h atch es ▁between ▁the ▁two ▁space craft ▁at ▁ 1 4 : 2 8 ▁UTC , ▁ending ▁seven ▁days , ▁ 2 1 ▁hours , ▁ 4 1 ▁minutes ▁of ▁joined ▁dock ed ▁operations . ▁At ▁the ▁fare well ▁ceremony , ▁Commander ▁Fer g us on ▁presented ▁to ▁the ▁station ▁a ▁small ▁U . S . ▁flag ▁that ▁had ▁flow n ▁on ▁ST S - 1 . ▁He ▁also ▁presented ▁a ▁sh utt le ▁model ▁signed ▁by ▁program ▁officials ▁and ▁the ▁mission ' s ▁lead ▁sh utt le ▁and ▁station ▁flight ▁direct ors . ▁" What ▁you ▁don ' t ▁see ▁is ▁the ▁sign atures ▁of ▁the ▁tens ▁of ▁thousands ▁who ▁rose ▁to ▁orbit ▁with ▁us ▁over ▁the ▁past ▁ 3 0 ▁years , ▁if ▁only ▁in ▁spirit ," ▁Fer g us on ▁said . ▁ ▁Fer g us on ▁thank ed ▁Ex ped ition ▁ 2 8 ▁commander ▁And rey ▁Bor isen ko ▁for ▁the ▁hospital ity ▁and ▁his ▁crew ' s ▁help ▁in ▁making ▁the ▁mission ▁a ▁success . ▁Bor isen ko ▁replied ▁by ▁wish ing ▁the ▁sh utt le ▁crew ▁a ▁safe ▁trip ▁home ▁and ▁happy ▁land ings . ▁Station ▁Fl ight ▁Engine er ▁Ron ▁Gar an ▁especially ▁thank ed ▁Magn us ▁for ▁her ▁" load ▁master " ▁activity ▁of ▁moving ▁cargo ▁between ▁the ▁two ▁space craft . ▁ ▁Short ly ▁after ▁the ▁crew ▁returned ▁to ▁Atl ant is , ▁h atch es ▁between