The number of commercial launch and reentry operations carrying humans is a small proportion of the overall number of commercial space operationsâabout 10 percent in 2023âbut it is growing. Currently, private companies hope to create a market for commercial human spaceflight. In addition to contracts with the National Aeronautics and Space Administration (NASA) to support federal missions, companies such as SpaceX plan to transport private citizens into space. Other companies such as Axiom Space are developing orbital platforms with the intent to host both government astronauts and tourists...