; and (iii) understand such threats in light of actual and potential vulnerabilities of the homeland. (B) To carry out comprehensive assessments of the vulnerabilities of the key resources and critical infrastructure of the United States, including the performance of risk assessments to determine the risks posed by particular types of terrorist attacks within the United States (including an assessment of the probability of success of such attacks and the feasibility and potential efficacy of various countermeasures to such attacks). (C) To integrate relevant information, analysis, and vulnerability assessments (regardless of whether such information, analysis, or assessments are provided or produced by the Department) in order to identify priorities for protective and support measures by the Department, other Federal Government agencies, State, local, tribal, and territorial government agencies and authorities, the private sector, and other entities regarding terrorist and other threats to homeland security. (D) To ensure, pursuant to section 202, the timely and efficient access by the Department to all information necessary to discharge the responsibilities under this title, including obtaining such information from other Federal Government agencies. (E) To develop a comprehensive national plan for securing the key resources and critical infrastructure of the United States, including power production, generation, and distribution systems, information technology and telecommunications systems (including satellites), electronic financial and property record storage and transmission systems, emergency preparedness communications systems, and the physical and technological assets that support such systems. (F) To recommend measures necessary to protect the key resources and critical infrastructure of the United States in coordination with other Federal Government agencies and in cooperation with State, local, tribal, and territorial government agencies and authorities, the private sector, and other entities. (G) To