But in between these "Sputnik"-like moments, outside the public's view, the United States and its adversaries are battling in space every day.

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While Washington officials and experts warn of the risks of an arms race in space, the United States' adversaries are constantly conducting operations against U.S. satellites that skirt the line between intelligence operations and acts of war. The pace of conflict is intensifying, according to a top Space Force general, who told me that China could overtake the United States to become the number one power in space by the end of the decade.

"The threats are really growing and expanding every single day. And it's really an evolution of activity that's been happening for a long time," Gen. David Thompson, the Space Force's first vice chief of space operations, told me in an interview on the sidelines of the recent Halifax International Security Forum. "We're really at a point now where there's a whole host of ways that our space systems can be threatened."