; (ii) crewing; (iii) operations; (iv) regulatory and emergency procedures, including those specific to nuclear power plants; and (v) detailed planning for enduring Virginia-class submarine ownership, including each significant event leading up to and including nuclear defueling. (b) Definitions In this section: (1) Activities necessary for the safe hosting or operation of nuclear-powered submarines The term activities necessary for the safe hosting and operation of nuclear-powered submarines means each of the following activities as it relates to Virginia-class and Astute-class submarines, as appropriate, and in accordance with applicable United States Navy or other Government agency instructions, regulations, and standards: (A) Maintenance. (B) Training. (C) Technical oversight. (D) Safety certifications. (E) Physical, communications, operational, cyber, and other security measures. (F) Port operations and infrastructure support. (G) Storage, including spare parts, repair parts, and munitions. (H) Hazardous material handling and storage. (I) Information technology systems. (J) Support functions, including those related to medical, quality-of-life, and family needs. (K) Such other related tasks as may be specified by the Secretary of Defense. (2) Appropriate congressional committees The term appropriate congressional committees means— (A) the Committee on Foreign Relations, the Committee on Armed Services, and the Committee on Appropriations of the Senate