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The US government has confirmed plans to reduce the number of missile defense sites in its multibillion-dollar project for a missile defense system in the Pacific.

Let’s bring you up to speed: The missile defense project in Guam, known as the Enhanced Integrated Air and Missile Defense System, aims to provide ‘360-degree’ protection against advanced missile threats originating from the Pacific. While it does not specifically name China and Russia, many view the project as a countermeasure to their missile programs.  

What’s the deal: The US Missile Defense Agency (MDA) confirmed that it would reduce the number of planned missile defense sites in Guam from 22 to 16 following input from the local community and a report highlighting concerns related to the environment and costs, among other factors.

Concerns about the environment: In an environmental impact statement, the MDA discussed the potential effects on Guam’s natural habitats, including risks to endangered species, vegetation, and sensitive ecosystems found in areas initially considered for construction. Specifically, concerns were raised about soil erosion, deforestation, and the impact of construction activities on water resources and coastal areas. The agency also considered the disruption of local communities and cultural sites, particularly those near construction zones.  

Concerns about cost:  In addition to environmental concerns, costs played a significant role in the decision to reduce the number of missile defense sites in Guam from 22 to 16. The MDA said that construction to create the sites would require “extensive land clearing” and would result in significant costs. They also noted that operational costs to maintain advanced missile defense systems led to the cut.

When will construction begin?: Construction of the missile defense sites in Guam is set to start next year. The project will take roughly 6-10 years to complete, with peak construction expected between 2028 and 2030.