; (2) the strategic and economic value of the relationships between the United States and African countries; (3) the military, intelligence, diplomatic, developmental, and humanitarian efforts of China and Russia on the African continent; and (4) the ability of the United States, allies, and partners to combat violent extremist organizations operating in Africa. (d) Form The report required under subsection (a) may be submitted in classified form, but shall include an unclassified summary. (e) Interim briefing required Not later than April 15, 2021, the Secretary of Defense (acting through the Under Secretary of Defense for Policy, the Under Secretary of Defense (Comptroller), and the Director of Cost Assessment and Program Evaluation) and the Chairman of the Joint Chiefs of Staff shall provide to the congressional defense committees a joint interim briefing, and any written comments the Secretary of Defense and the Chairman of the Joint Chiefs of Staff consider necessary, with respect to their assessments of the report anticipated to be submitted under subsection (a). (f) Definitions In this section: (1) Dual-use infrastructure projects The term dual-use infrastructure projects means projects that may be used for either military or civilian purposes. (2) Appropriate congressional committees The term appropriate congressional committees means— (A) the congressional defense committees; and (B) the Committee on Foreign Relations of the Senate and the Committee on Foreign Affairs of the House of Representatives. 3. Expanding the state partnership program in Africa The Secretary of Defense, in coordination with the Chief of the National Guard Bureau, shall seek to build partner capacity and interoperability in the United States Africa Command area of responsibility through increased partnerships with countries on the African continent, military-to-military engagements, and traditional activities of the combatant commands.