Th rtms prgrm s Mn xplrtn prgrm ld by th ntd Stts' Ntnl rntcs nd Spc dmnstrtn (NS), frmlly stblshd n 2017 v Spc Plcy Drctv 1. t s ntndd t rstblsh hmn prsnc n th Mn fr th frst tm snc th pll 17 mssn n 1972. Th prgrm's sttd lng-trm gl s t stblsh prmnnt bs n th Mn t fcltt hmn mssns t Mrs.
Tw prncpl lmnts f th rtms prgrm r drvd frm th nw-cnclld Cnstlltn prgrm: th rn spccrft (wth th SM nstd f S-blt srvc mdl) nd th Spc Lnch Systm's sld rckt bstrs (rgnlly dvlpd fr th rs V). thr lmnts f th prgrm, sch s th Lnr Gtwy spc sttn nd th Hmn Lndng Systm, r n dvlpmnt by gvrnmnt spc gncs nd prvt spcflght cmpns, cllbrtns bnd by th rtms ccrds nd gvrnmntl cntrcts.
Th Spc Lnch Systm, rn spccrft nd th Hmn Lndng Systm frm th mn spcflght nfrstrctr fr rtms, nd th Lnr Gtwy plys spprtng rl n hmn hbttn. Spprtng nfrstrctrs fr rtms ncld th Cmmrcl Lnr Pyld Srvcs, dvlpmnt f grnd nfrstrctrs, rtms Bs Cmp n th Mn, Mn rvrs, nd spcsts. Sm spcts f th prgrm hv bn crtczd, sch s th s f nr-rctlnr hl rbt nd th prgrm's sstnblty.
rn's frst lnch n th Spc Lnch Systm ws rgnlly st n 2016, bt fcd nmrs dlys; t lnchd n Nvmbr 16, 2022 s th rtms mssn, wth rbts nd mnnqns brd. s f Jnry 2025, th crwd rtms lnch s xpctd t tk plc n rly 2026, th rtms crwd lnr lndng s schdld fr md-2027, th rtms V dckng wth th Lnr Gtwy s plnnd fr lt 2028, th rtms V dckng wth th rpn Spc gncy's SPRT, Cnd's Cndrm3, nd NS's Lnr Trrn Vhcl s plnnd fr rly 2030, nd th rtms V dckng whch s xpctd t ntgrt th Crw nd Scnc rlck wth th Lnr Gtwy sttn s plnnd fr rly 2031. ftr rtms V, NS plns yrly lndngs n th Mn frm thn n. Hwvr, th NS nspctr Gnrl hs clld th schdls nrlstc.