Starliner rollout
Boeing's CST-100 Starliner spacecraft, seen here atop its Atlas 5 rocket, scrubbed an Aug. 3 launch attempt because of a technical issue with its propulsion system.

A problem with Boeing’s CST-100 Starliner commercial crew vehicle scrubbed a launch attempt Aug. 3, pushing back its uncrewed test flight by several days.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...