; (ii) the publication of the Office of Science of the Department of Energy titled Four Years Later: An Interim Report on Facilities for the Future of Science: A Twenty-Year Outlook , published August 2007; and (iii) the publication approved by the Basic Energy Sciences Advisory Committee on June 9, 2016, titled Report on Facility Upgrades . (C) Start of operations The Secretary shall, to the maximum extent practicable, ensure that the start of full operations of the second target station under this paragraph occurs before December 31, 2030, with the option for early operation in 2028. (D) Funding Out of funds authorized to be appropriated under section 11 for Basic Energy Sciences, there shall be made available to the Secretary to carry out activities, including construction, under this paragraph— (i) $5,000,000 for fiscal year 2018; and (ii) $10,000,000 for fiscal year 2019. (4) Advanced light source upgrade (A) In general The Secretary shall provide for the upgrade to the Advanced Light Source described in the publication approved by the Basic Energy Sciences Advisory Committee on June 9, 2016, titled Report on Facility Upgrades , including the development of a multi-bend achromat lattice to produce a high flux of coherent x-rays within the soft x-ray energy region. (B) Definitions In this paragraph: (i) Flux The term flux means the rate of flow of photons. (ii) Soft x-ray The term soft x-ray means a photon with energy in the range from 50 to 2,000 electron volts. (C) Start of operations The Secretary shall, to the maximum extent practicable, ensure that the start of full operations of the upgrade under this paragraph occurs before December 31, 2026. (D) Funding Out of funds authorized to be appropriated under section 11 for Basic Energy Sciences, there shall be made available to the Secretary to carry out the upgrade under this paragraph— (i) $20,000,000 for fiscal year 2018