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U.S. Marine Corps: This is an image of the United States Marine Corps logo.

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The Draft EIS includes an analysis of the potential environmental effects associated with conducting at-sea military readiness activities within the Study Area.

The development of the EIS will help the Navy and other military services meet their environmental compliance requirements while ensuring military readiness.

As part of the EIS process, the military services are seeking the issuance of regulatory permits and authorizations under the Marine Mammal Protection Act and Endangered Species Act to support at-sea military readiness activities within the Study Area, beginning in December 2025.

HCTT Draft EIS/OEIS

The Draft EIS/OEIS includes an analysis of the potential environmental effects associated with conducting at-sea training and testing activities, and modernization and sustainment of ranges within the HCTT Study Area.      

The development of the EIS/OEIS will help the Navy and other U.S. military services meet their environmental compliance requirements, while ensuring military readiness by:

  • Supporting current and future training and testing requirements
  • Allowing training and testing over greater distances, as larger areas are needed to train and test with new weapons required for countering new threats.
  • Supporting increased training with unmanned systems.
  • Increasing flexibility in conducting training and testing activities.
  • Supporting modernizing and sustaining range capabilities.
  • Updating environmental analyses using the best available science and analytical methods.
  • Supporting Marine Mammal Protection Act and Endangered Species Act consultations for the reissuance of federal regulatory permits and authorizations within the Study Area.