; and (ii) address current capability gaps. (F) An explanation of the manner in which an integrated maritime domain awareness and interdiction architecture would improve collective security in the Middle East. (G) A description of existing and planned efforts to engage ally and partner countries in the Middle East in establishing such an architecture. (H) An identification of the elements of such an architecture that may be acquired and operated by ally and partner countries in the Middle East, and a list of such elements for each such ally and partner. (I) An identification of the elements of such an architecture that may only be provided and operated by members of the United States Armed Forces. (J) An identification of any challenge to optimizing such an architecture in the Middle East. (K) An assessment of progress and key challenges in the implementation of the strategy required by paragraph (1) using the metrics identified in accordance with paragraph (3). (L) Recommendations for improvements in the implementation of such strategy based on such metrics. (M) An assessment of any capabilities or lessons from the Navy’s Task Force 59 that may be leveraged to support an integrated maritime domain awareness and interdiction capability in the Middle East. (N) A cost estimate of establishing an integrated maritime domain awareness and interdiction capability, and an assessment of the resources that could be contributed by ally and partner countries of the United States to establish and strengthen such capability. (O) Any other matter the Secretary of Defense considers relevant. (3) Metrics The Secretary of Defense shall identify metrics to assess progress in the implementation of the strategy required by paragraph (1). (4) Format The strategy required by paragraph (1) shall be submitted in unclassified form but may include a classified annex. (c) Protection of sensitive information Any activity carried out under this section shall be conducted in a manner that appropriately protects sensitive information and the