(C) An assessment of whether there is a need to increase security assistance or security cooperation with Black Sea states, focused on Ukraine, Romania, Bulgaria, Moldova, and Georgia. (D) An assessment of the value of establishing a United States or multinational headquarters on the Black Sea, responsible for planning, readiness, exercises, and coordination of military activity in the greater Black Sea region. (E) An assessment of the challenges and opportunities of establishing a regular, rotational NATO maritime presence in the Black Sea. (F) An overview of Foreign Military Financing, International Military Education and Training, and other United States security assistance to the Black Sea region. (G) A plan for combating Russian disinformation and propaganda in the Black Sea region that utilizes the resources of the United States Government. (H) A plan to promote greater freedom of navigation to allow for greater security and economic Black Sea access. (2) Economic prosperity The strategy authorized under subsection (e) shall include the following elements related to economic prosperity: (A) A strategy to foster dialogue between experts from the United States and from the Black Sea states on economic expansion, foreign direct investment, strengthening rule of law initiatives, and mitigating economic coercion by Russia and the PRC. (B) A strategy for all the relevant Federal departments and agencies that contribute to United States economic statecraft to expand their presence and identify new opportunities for private investment with regional partners in accordance with the values and interests of the United States. (C) Assessments on energy diversification, focusing on the immediate need to replace energy supplies from Russia, and recognizing the long-term importance of broader energy diversification. (D) Assessments of potential food security solutions, including sustainable, long-term arrangements beyond the Black Sea Grain Initiative. (3) Democratic resilience The strategy authorized under subsection (e)