Shireman
Kirk Shireman, NASA ISS program manager, watches the launch of the Demo-2 commercial crew mission May 30 from a firing room at the Kennedy Space Center.

Kirk Shireman, who has managed the International Space Station program for NASA for five years, will retire later this month, the agency announced June 16.

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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...