; (2) $50,000,000 for fiscal year 2019; (3) $80,000,000 for fiscal year 2020; (4) $80,000,000 for fiscal year 2021; (5) $52,000,000 for fiscal year 2022; (6) $22,000,000 for fiscal year 2023; and (7) $6,000,000 for fiscal year 2024. 3. Linac Coherent Light Source II high energy upgrade (a) In general The Secretary of Energy shall provide for the upgrade to the Linac Coherent Light Source II facility 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 experimental capabilities for high energy x-rays to reveal fundamental scientific discoveries. The Secretary shall ensure the upgrade under this section enables the production and use of high energy, ultra-short pulse x-rays delivered at a high repetition rate. (b) Definitions In this section: (1) High energy x-ray The term a high energy x-ray means a photon with an energy at or exceeding 12 kiloelectron volts. (2) High repetition rate The term high repetition rate means the delivery of x-ray pulses up to one million pulses per second. (3) Ultra-short pulse x-rays The term ultra-short pulse x-rays means x-ray bursts capable of durations of less than one hundred femtoseconds. (c) Start of operations The Secretary shall, to the maximum extent practicable, ensure that the start of full operations of the upgrade under this section occurs before December 31, 2025. (d) Funding Out of funds appropriated to the Office of Science, there shall be made available to the Secretary to carry out the upgrade under this section— (1) $20,000,000 for fiscal year 2018; (2) $55,000,000 for fiscal year 2019; (3) $80,000,000 for fiscal year 2020; (4) $80,000,000 for fiscal year 2021; (5) $54,000,000 for fiscal year 2022