appropriate congressional committees
(3) Definitions In this subsection: (A) The term “appropriate congressional committees” means— (i) the Committee on Homeland Security and Governmental Affairs, the Committee on Armed Services, the Committee on Energy and Natural Resources, and the Committee on Commerce, Science, and Transportation of the Senate; and (ii) the Committee on Transportation and Infrastructure, the Committee on Homeland Security, the Committee on Armed Services, the Committee on Energy and Commerce, and the Committee on Science, Space and Technology of the House of Representatives. (B) The terms “prepare” and “preparedness” mean the actions taken to plan, organize, equip, train, and exercise to build and sustain the capabilities necessary to prevent, protect against, mitigate the effects of, respond to, and recover from those threats that pose the greatest risk to the security of the homeland, including the prediction and notification of impending EMPs and GMDs. (C) The term “Sector Risk Management Agency” has the meaning given that term in section 650 of this title .