"We anticipate growing threats to this burgeoning sector of the U.S. economy," a U.S. counterintelligence official told Reuters, adding that "China and Russia are among the leading foreign intelligence threats to the U.S. space industry." The document warned companies to be on guard for facility visit requests, and attempts to gather confidential information at conferences. U.S. authorities have for years said Chinese hackers are targeting U.S. space know-how, including having accessed computers at the NASA Goddard Space Center and Jet Propulsion Laboratory, as well as numerous companies involved in aviation, space and satellite technology. China says its space program is for peaceful purposes, but U.S. military officials say Beijing sees space as crucial to its military strategy. The U.S. warned this year that China seeks to match or surpass it as a leader in space by 2045.

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Persons: Tom Brenner, Tao Li, Michael Martina, Don Durfee, Jamie Freed Organizations: Federal Bureau of, REUTERS, Rights, Reuters, Federal Bureau of Investigation, National Counterintelligence and Security, Air Force Office, Special Investigations, NASA Goddard Space Center, Jet Propulsion Laboratory, Thomson Locations: Washington , U.S, U.S, China, Russia, Washington, Beijing