into the annual reports of the Director to the congressional defense committees, including an assessment of progress against such metrics on the acquisition baseline of the Missile Defense Agency. (c) Limitation Of the funds authorized to be appropriated for fiscal year 2019 by this Act and available for the Command and Control, Battle Management and Communications (C2BMC) program, not more than 50 percent may be obligated or expended until the Director develops the metrics required by subsection (a). 1656. Modification of requirement relating to transition of ballistic missile defense programs to military departments Section 1676(b)(2) of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91 ) is amended by inserting or equivalent approval before the period at the end. 1657. Sense of the Senate on acceleration of missile defense capabilities (a) Sense of the Senate It is the sense of the Senate that the Missile Defense Agency should— (1) accelerate the fielding, if technically feasible, of the planned additional 20 ground-based interceptors with Redesigned Kill Vehicles (RKV) at Missile Field 4 at Fort Greely, Alaska, and to mate the Redesigned Kill Vehicles with the newest booster technology