Notice of Availability of Record of Decision for the Surveillance Towed Array Sensor System Low-Frequency Active Sonar Training and Testing Supplemental Environmental Impact Statement/Overseas Environmental Impact Statement in the Western North Pacific and Indian Oceans (ID# SEIS-007-17-USN-1727716941)
In accordance with the National Environmental Policy Act (NEPA) and Executive Order 12114, the DoN announces its decision to conduct training and testing activities within the S...
Department of the Navy (DoN), Department of Defense (DoD).
ACTION:
Notice.
SUMMARY:
In accordance with the National Environmental Policy Act (NEPA) and Executive Order 12114, the DoN announces its decision to conduct training and testing activities within the Surveillance Towed Array Sensor System Low-Frequency Active (SURTASS LFA) Sonar Training and Testing Study Area in the Western North Pacific and Indian Oceans, as described in Alternative 1 of the SURTASS LFA Final Supplemental Environmental Impact Statement/Overseas Environmental Impact Statement (SEIS/OEIS).
SUPPLEMENTARY INFORMATION:
Alternative 1 is the DoN's preferred alternative and is representative of an annual level of SURTASS LFA training and testing activities. The complete text of the Record of Decision (ROD) and the SURTASS LFA Final SEIS/OEIS is available on the project website at
www.nepa.navy.mil/surtass-lfa/
along with supporting documents. Single copies of the ROD are available upon request by contacting: U.S. Pacific Fleet Command, Attention: SURTASS LFA SEIS/OEIS Project Manager (N46), 250 Makalapa Drive, Pearl Harbor, HI 96860-3131.
Dated: July 22, 2026.
T.M. Onik,
Lieutenant Commander, Judge Advocate General's Corps, U.S. Navy, Federal Register Liaison Officer.
Use this for formal legal and research references to the published document.
91 FR 46777
Web Citation
Suggested Web Citation
Use this when citing the archival web version of the document.
“Notice of Availability of Record of Decision for the Surveillance Towed Array Sensor System Low-Frequency Active Sonar Training and Testing Supplemental Environmental Impact Statement/Overseas Environmental Impact Statement in the Western North Pacific and Indian Oceans (ID# SEIS-007-17-USN-1727716941),” thefederalregister.org (July 24, 2026), https://thefederalregister.org/documents/2026-15011/notice-of-availability-of-record-of-decision-for-the-surveillance-towed-array-sensor-system-low-frequency-active-sonar-t.