Regulations in this subpart apply to the nonlethal incidental, but not intentional, take, as defined in § 18.3 and under section 3 of the Marine Mammal Protection Act (MMPA; 16 U.S.C. 1371 et seq.), of small numbers of northern sea otters (Enhydra lutris kenyoni; hereafter “sea otters”) by the U.S. Coast Guard (hereafter “USCG” or “the applicant”) while engaged in activities associated with or in support of pile driving and marine construction activities in Seward, Sitka, and Kodiak, Alaska. The applicant is a U.S. citizen as defined in § 18.27(c). A Letter of Authorization (LOA) from the U.S. Fish and Wildlife Service (FWS) is required to authorize incidental take that may occur during the specified activities.