may conduct a test of the Arrow 3 missile defense system, in conjunction with the Government of Israel, to validate the capabilities of the system and improve the performance of the system. (b) Authorization of appropriations In addition to any funds authorized to be appropriated by section 1690 of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ) or otherwise made available to the Secretary of Defense for the Arrow 3 missile defense system, there is authorized to be appropriated to the Secretary an additional $105,000,000 for fiscal year 2018 to provide assistance to the Government of Israel to carry out the test specified in subsection (a) in the United States.