Section 218.151 - Effective dates and definitions(a) Regulations in this subpart are effective February 3, 2023 through February 2, 2030.(b) In additions to the definitions contained in section 2 of the Marine Mammal Protection Act (MMPA), 16 U.S.C. 1362 , and § 218.103, the following definitions apply to this subpart:(1)GOA Study Area means the area described in § 218.150(b) .(2)TMAA means Temporary Maritime Activities Area, as described in § 218.150(b) .(3)WMA means Western Maneuver Area, as described in § 218.150(b) .(4)LOA means a Letter of Authorization issued under §§ 216.106 of this chapter and 218.156.(5)MTE means major training exercise.(6)Navy means United States Department of the Navy.(7)Navy personnel means active-duty and reserve uniformed Navy personnel and Navy civil servants.(8)Navy contractor means any individual, firm, corporation, partnership, association, or other legal non-Federal entity that enters into a contract directly with the Navy to furnish services, supplies, or construction and is performing or acting in furtherance of those duties.(9)Lookout means an individual designated the responsibility of visually observing mitigation zones.(10)Training activities means military readiness activities described in § 218.150 . 88 FR 690 , 2/3/2023 through 2/2/2030