The Pentagon is preparing for war should China, Russia, or other adversaries attack vital American satellites and other space systems, a senior Pentagon official told Congress on Wednesday.

John Rood, undersecretary of defense for policy, testified before a House subcommittee that the Trump administration’s new defense policy calls for conducting military and other operations in response to space attacks, mainly by China and Russia.

Rood said American space systems are essential for “our prosperity, security, and way of life.”

“And [Defense Department] space capabilities are critical for effective deterrence, defense, and force projection capabilities,” he told a hearing of the House Armed Services subcommittee on strategic forces.

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