NASA's Artemis campaign will use human landing systems, provided by SpaceX and Blue Origin, to safely transport crew to and from the surface of the moon, in preparation for future crewed missions to ...

NASA's First Mars Expedition: 1961 In April 1959 ... If a crew vehicle's engines became disabled, its crew module could move to a cargo vehicle so the expedition could be finished.

Also, infrastructure should be prepared on Mars before the arrival of the expedition, including a manned module with radiation protection in the form of at least a meter-thick soil layer ...