Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Executive: SpaceX Astronaut Mission Looking 'Increasingly Difficult' in 2019 Reuters CAPE CANAVERAL, FLORIDA - As Elon Musk's SpaceX closes in on the possible cause of a fiery explosion in April that destroyed one of its astronaut capsules, a company executive said on Monday its plan to launch humans into space this year looked "increasingly difficult." One of the space company's Crew Dragon capsules exploded on a test stand at a Florida Air Force station moments before firing eight emergency abort thrusters designed to propel an on-board crew to safety in the event of a failure. .