Security Agency cybersecurity expertise to support acquisition of commercial cybersecurity products. Sec. 1642. Study on future cyber warfighting capabilities of Department of Defense. Sec. 1643. Authority to use operation and maintenance funds for cyber operations-peculiar capability development projects. Sec. 1644. Expansion of authority for access and information relating to cyberattacks on Department of Defense operationally critical contractors. Sec. 1645. Briefing on memorandum of understanding relating to joint operational planning and control of cyber attacks of national scale. Sec. 1646. Study to determine the optimal strategy for structuring and manning elements of the Joint Force Headquarters–Cyber organizations, Joint Mission Operations Centers, and Cyber Operations–Integrated Planning Elements. Sec. 1647. Cyber governance structures and Principal Cyber Advisors on military cyber force matters. Sec. 1648. Designation of test networks for testing and accreditation of cybersecurity products and services. Sec. 1649. Consortia of universities to advise Secretary of Defense on cybersecurity matters. Subtitle D—Nuclear Forces Sec. 1661. Modification of authorities relating to nuclear command, control, and communications system. Sec. 1662. Expansion of officials required to conduct biennial assessments of delivery platforms for nuclear weapons and nuclear command and control system. Sec. 1663. Conforming amendment to Council on Oversight of the National Leadership Command, Control, and Communications System. Sec. 1664. Prohibition on reduction of the intercontinental ballistic missiles of the United States. Sec. 1665. Briefing on long-range standoff weapon and sea-launched cruise missile. Sec. 1666. Sense of the Senate on industrial base for Ground-Based Strategic Deterrent program. Sec. 1667. Sense of the Senate on nuclear deterrence commitments of the United States. Subtitle E—Missile defense programs Sec. 1671. Iron Dome short-range rocket defense system and Israeli cooperative missile defense program