Cape Canaveral:
Ground control teams dramatically called off the first crewed launch of Boeing's Starliner spaceship Saturday with just under four minutes left on the launch countdown clock, for reasons that are not year clear.
It was the latest setback for the troubled program, which has faced years of delays and safety scares. A previous launch attempt was canceled on May 6.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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