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.
Crew Dragon was slated earlier this year to carry U.S. astronauts to the International Space Station in a first manned test mission in July, although that date slipped until November following the explosion and some other hitches in the vehicle's design.
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