Following problems with the ignition of a second propulsion stage of a Falcon 9 rocket, the US Federal Aviation Administration (FAA) has banned further launches of rockets from the private space company SpaceX for the time being. The FAA has ordered an investigation into the failed launch on Thursday, the agency posted on its website on Friday. As a result, further missions may be delayed, including flights for the US space agency NASA and with private space tourists. “A return to flight is based on the FAA determining that any system, process, or procedure related to the mishap does not affec…