; and (D) weapons, equipment, and training or conduct that would improve the abilities described in subparagraphs (A), (B), and (C); and (3) any actions that could be taken by the Secretary of Defense or the Administrator for Nuclear Security in the near and medium terms to decrease the risk posed by possible additional changes to the security environment related to nuclear weapons in the future. (d) Form of certification The certification required by subsection (c) may be submitted to the congressional defense committees in classified form. 1637. Plan to manage Integrated Tactical Warning andAttack Assessment System and multi-domain sensors (a) Plan required Not later than one year after the date of the enactment of this Act, the Secretary of the Air Force shall develop a plan to manage the Air Force missile warning elements of the Integrated Tactical Warning and Attack Assessment System as a weapon system consistent with Air Force Policy Directive 10-9, entitled Lead Command Designation and Responsibilities for Weapon Systems and dated March 8, 2007. (b) Multi-domain sensor management and exploitation (1) In general The plan required by subsection (a) shall include a long-term plan to manage all available sensors for multi-domain exploitation against modern and emergent threats in order to provide comprehensive support for integrated tactical warning and attack assessment, missile defense, and space situational awareness. (2) Coordination with other agencies In developing the plan required by paragraph (1), the Secretary shall— (A) coordinate with the Secretary of the Army, the Secretary of the Navy, the Director of the Missile Defense Agency, and the Director of the National Reconnaissance Office