BERKELEY, Calif.–(BUSINESS WIRE)–Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today it has entered into an agreement to purchase low-enriched uranium (LEU) from Urenco USA. The fuel will support testing and demonstration activities as part of the Company’s participation in the U.S. Department of Energy’s Reactor Pilot Program as well as early comm