A practice countdown for NASA’s Space Launch System could cause a delay in the launch of a commercial mission to the International Space Station, a move with potential ripple effects for other missions to the station.
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... More by Jeff Foust
