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SpaceX is notably at the forefront, aiming to conduct its first crewed launch from U.S. soil since 2011. While NASA has postponed testing its Space Launch System and Orion spacecraft, primarily due to COVID-19 safety measures, SpaceX is pushing ahead with its plans. A significant milestone is scheduled for May 27, when SpaceX hopes to launch a crewed Dragon spacecraft — technology that has previously been used for cargo missions.