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Incidental Take Authorization: U.S. Navy Ice Exercise Activities 2020 (ICEX20) in the Beaufort Sea and Arctic Ocean


Marine Mammal Protection Act
Action Status
Affected Species


NOAA Fisheries has issued an IHA to the United States Department of the Navy (Navy) to incidentally harass, by Level B harassment only, marine mammals during submarine training and testing activities associated with Ice Exercise 2020 (ICEX20) north of Prudhoe Bay, Alaska. The Navy’s activities are considered military readiness activities pursuant to the MMPA, as amended by the National Defense Authorization Act for Fiscal Year 2004 (NDAA).

ICEX20 Study Area.PNG

Study Area

Last updated by Office of Protected Resources on 12/03/2021