(CNN) A new Pentagon report on threats in space warns that China and Russia are both developing capabilities to threaten the US' preeminent position, including lasers that could target and destroy US satellites.

"China and Russia, in particular, are developing a variety of means to exploit perceived US reliance on space-based systems and challenge the US position in space," the Defense Intelligence Agency report said.

The report, which was published Monday, is titled "Challenges to Security in Space," and examines Russian, Chinese, Iranian and North Korean space capabilities.

US satellites play a critical role in everything from navigation, weapons targeting and intelligence gathering, including keeping tabs on North Korea's nuclear weapons program and monitoring Russian and Chinese military activity.

They also house sensors involved in detecting enemy missile launches.

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