Orbital ATK is developing the NGL rocket to launch from a multi-use pad at Kennedy Space Center.

As the deadline nears for an Air Force competition to fund development of new launch vehicles, Orbital ATK announced Nov. 7 what it called an “important milestone” for its proposed launcher.

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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...