New arenas of warfare are opening up. The U.S. military is already heavily reliant on satellites and communication systems, and countries like China are actively trying to undermine these systems.

“There’s not an operation conducted anywhere at any level that is not somehow dependent on space and cyberspace,” said General William L. Shelton, Commander of the Air Force Space Command at Peterson Air Force Base in Colorado, on Sept. 21, according to the Department of Defense.

Yet amid the proliferation of space and cyberspace in the military, the next challenge is to get all troops linked in and secure those connections.

Shelton said the United States is facing four key threats: jamming, lasers, attacks on ground sites, and nuclear detonations in space.

He said the dangers these technologies pose to the U.S. military need to be recognized, noting “We can’t continue, in my mind, to operate with this big-sky mentality.”

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