; 129 Stat. 1062); and (2) the establishment of a research and development program for a dual-capable road-mobile ground-launched missile system with a maximum range of 5,500 kilometers. (b) Report required Not later than 120 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report on the cost and schedule for, and feasibility of, modifying United States missile systems in existence as of such date of enactment for ground launch with a range of between 500 and 5,500 kilometers, including the Tomahawk Cruise Missile, the Standard Missile-3, the Standard Missile-6, the Long-Range Stand-Off Cruise Missile, and the Army Tactical Missile System, as compared with the cost and schedule for, and feasibility of, developing a new ground-launched missile using new technology with the same range. (c) Authorization of appropriations None of the funds authorized to be appropriated by this Act or otherwise made available for fiscal year 2018 for a research and development program for a dual-capable road-mobile ground-launched missile system with a maximum range of 5,500 kilometers may be obligated or expended until the report required by subsection (b) is received by the congressional defense committees. (d) INF Treaty defined In this section, the term INF Treaty means the Treaty between the United States of America and the Union of Soviet Socialist Republics on the Elimination of their Intermediate-Range and Shorter-Range Missiles, signed at Washington December 8, 1987, and entered into force June 1, 1988. 1636. Certification that the Nuclear Posture Review addresses deterrent effect and operation of United States nuclear forces in current and future security environments (a) Findings Congress finds that, between the publication of the Nuclear Posture Review in 2010 and the date of the enactment of this Act— (1) North Korea has— (A) conducted at least three nuclear tests