Once unthinkable, NASA and Lockheed now consider launching Orion on other rockets

Artemis III: A brand-new spacecraft.

Artemis IV: A brand-new spacecraft.

Artemis V: Will reuse approximately 250 components, primarily life support and avionics equipment, from Artemis II.

Artemis VI: Will reuse primary structure (pressure vessel) and secondary structures (gussets, panels, brackets, plates) from Artemis III Orion, and approximately 3,000 components.

Lockheed plans to build a fleet of three largely reusable spacecraft, which will make their debuts on the Artemis…