; and (2) submit to the congressional defense committees a final report on such study. 1068. Plan on countering human trafficking (a) Plan Not later than 120 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the appropriate congressional committees a plan for coordinating with defense partners in North America and South America and supporting interagency departments and agencies, as appropriate, in countering human trafficking operations, including human trafficking by transnational criminal organizations. (b) Elements of plan The plan under subsection (a) shall include— (1) a description of the threat to United States security from human trafficking operations; (2) a description of the authorities of the Department of Defense for the purposes specified in subsection (a); (3) a description of any current or proposed Department of Defense programs or activities to coordinate with defense partners or provide support to interagency departments and agencies as described in subsection (a); and (4) any recommendations of the Secretary of Defense for additional authorities for the purposes of countering human trafficking, including by transnational criminal organizations. (c) Briefing Not later than 180 days after the submission of the plan required under subsection (a), the Secretary of Defense shall brief the appropriate congressional committees regarding the authorities, programs, and activities of the Department of Defense to counter human trafficking operations. (d) Appropriate congressional committees In this section, the term appropriate congressional committees means— (1) the congressional defense committees; (2) the Committee on Homeland Security and Governmental Affairs and the Committee on Foreign Relations of the Senate