Area Denial in Outer Space

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Any future nation-state adversary surely understands the U.S. reliance on satellite communications for global military operations. Therefore, they likely understand there is a crude and unsophisticated way to disturb and degrade satellite communication, an IED of outer space that can be introduced, by polluting orbits with shrapnel and debris that are likely to damage any space-borne assets in their way. Essentially, an adversary can choose between two types of noncyber anti-satellite attacks: direct kinetic and indirect kinetic. While a direct kinetic anti-satellite missile attack on a U.S. satellite is possible, it would provide direct attribution to the attacker, thus leading to repercussions.

The thruster and the heat from a missile would be identified and attributed to the country or vessel that launched the attack. A direct kinetic attack might be inviting, but the political price is high. Even though it would be inviting to attack satellites, an adversary would not be able to attack without leaving a trace of tangible evidence. Using an ASAT missile is a grave act of war and can only reasonably be used if the perpetrator anticipates and accepts a wartime response.

For a potential adversary, it can be far more advantageous to increase the amount of debris that clutters specific orbits, thus epitomizing the indirect attack. Increasing debris can be accomplished through actively adding debris to specific well-targeted orbits, systematic designer accidents or collisions in space.

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