; and (B) in paragraph (4)(B), by striking (c)(2)(D) and inserting (c)(2)(C) . II Office of Science 4221. Mission of the Office of Science Section 209 of the Department of Energy Organization Act ( 42 U.S.C. 7139 ) is amended by adding at the end the following: (c) Mission The mission of the Office of Science shall be the delivery of scientific discoveries, capabilities, and major scientific tools to transform the understanding of nature and to advance the energy, economic, and national security of the United States. . 4222. Basic energy sciences (a) Energy Frontier Research Centers (1) In general The Director of the Office of Science of the Department (referred to in this subtitle as the Director ) shall carry out a program to provide awards, on a competitive, merit-reviewed basis, to multi-institutional collaborations or other appropriate entities to conduct fundamental and use-inspired energy research to accelerate scientific breakthroughs. (2) Collaborations A collaboration receiving an award under this subsection may include multiple types of institutions and private sector entities. (3) Selection and duration (A) In general A collaboration under this subsection shall be selected for a period of 4 years. (B) Existing centers An Energy Frontier Research Center in existence and supported by the Director on the date of enactment of this Act may continue to receive support for a period of 4 years beginning on the date of establishment of that center. (C) Reapplication After the end of the period described in subparagraph (A) or (B), as applicable, a recipient of an award may reapply for selection on a competitive, merit-reviewed basis. (D) Termination Consistent with the existing authorities of the Department, the Director may terminate an underperforming center for cause during the performance period. (4) No funding for construction No funding provided pursuant to this subsection may be used for the construction of new buildings or facilities. (b) Basic energy sciences user facilities (1) In general The