Officials said Isaacman had discussed accelerating lander development with both SpaceX and Blue Origin and that both were on board. He also discussed the accelerated Artemis overhaul with Boeing, which manages the SLS rocket and builds its massive first stage; with United Launch Alliance, builder of the rocket's upper stage, Orion-builder Lockheed Martin and other Artemis contractors.
Source: Computational Materials Science, Volume 267
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