However, this was in their Constellation Program (CxP) configuration, before the ML was heavily modified from hosting Ares I rockets to SLS. Following the cancellation of the Constellation Program ...

It was initially constructed for Ares I in 2010, but with the cancelation of the Constellation program, ML-1 was modified to be used with SLS Block 1 with the ICPS. Following Artemis 3 ...