Section 218.1 - [Effective 6/7/2026] Specified activity and geographical region(a) Regulations in this subpart apply only to the U.S. Navy (Navy) and those persons it authorizes or funds to conduct activities on its behalf for the taking of marine mammals that occurs in the areas outlined in paragraph (b) of this section and that occurs incidental to construction activities including marine structure maintenance, pile replacement, and select waterfront improvements at Naval Station (NAVSTA) Norfolk.(b) The taking of marine mammals by the Navy may be authorized in a Letter of Authorization (LOA) only if it occurs at NAVSTA Norfolk and adjacent Navy facilities. 86 FR 24356 , 6/7/2021 to 6/7/2026.