Welcome to the United States (U.S.) Department of the Navy's Hawaii-Southern California Training and Testing Environmental Impact Statement (EIS)/Overseas Environmental Impact Statement (OEIS) website, an online resource for information concerning the training and testing activities within the in-water areas from Hawaii to the coast of Southern California.

The U.S. Navy invites you to participate in the National Environmental Policy Act (NEPA) process for the Hawaii-Southern California Training and Testing Environmental Impact Statement/Overseas Environmental Impact Statement (EIS/OEIS); The Navy is in the early stages of preparing an EIS/OEIS to ensure the consideration of potential environmental effects from naval at-sea training and testing activities in the Navy’s Hawaii-Southern California Training and Testing study area.