CSIS:

The Issue

• Developing advanced sensing capabilities is a priority for the U.S. Department of Defense (DoD) to overcome the targeting challenge for both strike and air and missile defense.
• Terrestrial sensors are a critical backbone for air and missile defense architectures, but they have inherent limitations that present known vulnerabilities.
• Whether based on land, aerostats, aircraft, or in orbit, elevated sensors—each type of which has benefits and trade-offs—can supplement targeting capabilities…

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