; (ii) acquire multiple exascale computing systems at the existing Departmental facilities that represent at least two distinct technology options developed under clause (i); (iii) develop such advancements in hardware and software technology as are required to fully realize the potential of an exascale production system in addressing Department target applications and solving scientific problems involving predictive modeling and simulation, large scale data analytics and management, and artificial intelligence; (iv) explore the use of exascale computing technologies to advance a broad range of science and engineering; and (v) provide, as appropriate, on a competitive, merit-reviewed basis, access for researchers in industries in the United States, institutions of higher education, National Laboratories, and other Federal agencies to the exascale computing systems developed pursuant to clause (i). (B) Selection of partners The Secretary shall select the partnerships with the computing facilities of the Department under subparagraph (A) through a competitive, peer-review process. (3) Codesign and application development (A) In general The Secretary shall— (i) carry out the Program through an integration of applications, computer science, applied mathematics, and computer hardware architecture using the partnerships established pursuant to paragraph (2) to ensure that, to the maximum extent practicable, two or more exascale computing machine architectures are capable of solving Department target applications and broader scientific problems, including predictive modeling and simulation, large scale data analytics and management, and artificial intelligence