$237,065,653

Funds operations of the Sanford Underground Research Facility, a DOE national laboratory for physics experiments.

SURF hosts major dark matter and neutrino physics experiments critical to fundamental science and DOE's research mission.

Sustains demand for specialized underground infrastructure, radiation detection equipment, and cryogenic systems from precision instrument suppliers.

Underground physics research contributes to U.S. leadership in fundamental particle physics, an area of scientific prestige and potential dual-use applications.