; and (4) the Missile Defense Agency should continue to pursue an increasingly rigorous testing regime, in coordination with the Office of the Director, Operational Test and Evaluation, to more rapidly deliver capabilities to the warfighter as the threat evolves. 1660B. Sense of the Senate on discrimination for missile defense (a) Sense of the Senate It is the sense of the Senate that prioritizing discrimination capabilities to improve missile defense effectiveness against current and future threats is critically important. (b) Report (1) In general Not later than 90 days after the date of the enactment of this Act, the Director of the Missile Defense Agency shall submit to the congressional defense committees a report on the following: (A) Needed discrimination improvements within the missile defense architecture. (B) The Missile Defense Agency’s plan to rapidly field advanced discrimination capabilities. (C) An analysis of efforts to address discrimination challenges against emerging adversary threats, including hypersonic and cruise missiles. (2) Form The report required by paragraph (1) shall be submitted in unclassified form, but may include a classified annex. 1660C. Development and deployment of persistent space-based sensor architecture (a) Dissociation with ballistic missile defense review Subsection (a) of section 1683 of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91 ) is amended by striking If consistent and all that follows through develop and inserting Not later than December 31, 2018, the Director of the Missile Defense Agency shall, in coordination with the Secretary of the Air Force and the Director of the Defense Advanced Research Projects Agency, commence developing . (b) Deployment deadline Such subsection is further amended— (1) by striking (a) In general.— and inserting the following: (a) Development and deployment (1) Development