; (II) the provision of support to a State, local, Tribal, or territorial law enforcement agency, upon request of the chief executive officer of the State or territory, to ensure protection of people and property at mass gatherings, that is limited to a specified duration and location, within available resources, and without delegating any authority under this section to State, local, Tribal, or territorial law enforcement; (III) protection of an active Federal law enforcement investigation, emergency response, or security function, that is limited to a specified duration and location; or (IV) the provision of security or protection support to critical infrastructure owners or operators, for static critical infrastructure facilities and assets upon the request of the owner or operator; (iv) missions authorized to be performed by the United States Coast Guard, including those described in clause (iii) as directed by the Secretary, and as further set forth in section 528 of title 14, United States Code, and consistent with governing statutes, regulations, and orders issued by the Secretary of the Department in which the Coast Guard is operating; and (v) responsibilities of State, local, Tribal, and territorial law enforcement agencies designated pursuant to subsection (d)(2) pertaining to— (I) protection of National Special Security Events and Special Event Assessment Rating events or other mass gatherings in the jurisdiction of the State, local, Tribal, or territorial law enforcement agency; (II) protection of critical infrastructure assessed by the Secretary as high-risk for unmanned aircraft systems or unmanned aircraft attack or disruption, including airports in the jurisdiction of the State, local, Tribal, or territorial law enforcement agency; (III) protection of government buildings, assets, or facilities in the jurisdiction of the State, local, Tribal, or territorial law enforcement agency