Flagship Boeing SLS and SpaceX Starship Race to Achieve Deep Space Ascendency as Global Fleet Preps for 2022 Moon Missions
NASA planning Artemis I wet dress rehearsal NET March, inaugural flight of US$17B Space Launch System within 3 defined windows: 7-21 May, 6-16 June, 29 June – 12 July; Human Moon flyby Artemis II NET May 2024; Starship (SN20 / BN4) undergoing engine reconfiguration, now with 33 Raptor 2 engine specification on Super Heavy; Initial SLS variant Block 1 anticipated to make ~ 4000t thrust, BN4 ~ 7500t, Saturn V by comparison made ~ 3500t; Roscosmos, ISRO, KARI, JAXA, ispace, Intuitive Machines, Astrobotic also striving for 2022 Moon exploration