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Space Launch System, the putative replacement for the Space Shuttle for future large missions.

11
votes
As it turns out, SLS is actually very similar to the original Ares V configuration, proposed around 2002 (I believe). During this time it was known simply as 'CaLV,' or Cargo Launch Vehicle, as a … stage was to use a single J-2X. A pair of 5-segment boosters would augment the stack. SLS is nearly identical, as it also features 8.4m core stage tankage to reuse shuttle tooling. In addition, the 5 …
answered Dec 17 '16 by Alastair Haslam
5
votes
extensive strengthening of the launch sites, to support the 8.2 million pound vehicle. SLS instead keeps the 8.4m and 5m tank tooling used for current launchers, and the solid boosters will be slightly … shorter at 5 segments (rather than 5.5 or more), meaning less strain on the crawler. It seems the operation of SLS will be closer to that of the shuttle than either Ares rockets, meaning easier …
answered Dec 17 '16 by Alastair Haslam