; and (B) take other actions to assist Federal, State, local, and tribal entities to participate in such IBETs, including providing financial assistance, as appropriate, for operational, administrative, and technological costs associated with such participation. (2) Limitation Coast Guard personnel assigned under paragraph (1) may be assigned only for the purposes of securing the maritime borders of the United States, in accordance with subsection (c)(1)(C). (e) Coordination The Secretary shall coordinate the IBET program with other similar border security and antiterrorism programs within the Department in accordance with the strategic objectives of the Cross-Border Law Enforcement Advisory Committee. (f) Memoranda of understanding The Secretary may enter into memoranda of understanding with appropriate representatives of the entities specified in subsection (c)(1) necessary to carry out the IBET program. (g) Report Not later than 180 days after the date on which an IBET is established, and biannually thereafter for the following 6 years, the Secretary shall submit a report to the appropriate congressional committees, including the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Homeland Security of the House of Representatives , and in the case of Coast Guard personnel used to secure the maritime borders of the United States, to the Committee on Transportation and Infrastructure of the House of Representatives . The report required under this subsection shall— (1) describe the effectiveness of IBETs in fulfilling the purposes specified in subsection (b); (2) assess the impact of certain challenges on the sustainment of cross-border IBET operations, including challenges faced by international partners; (3) address ways to support joint training for IBET stakeholder agencies and radio interoperability to allow for secure cross-border radio communications