SDPB's Cara Hetland is underground at the 4850 foot level of the Sanford Underground Research Facility in Lead. This year marks 10 years of Neutrino Day. Christopher Mossey is the Deputy Director for the Long-Baseline Neutrino Facility. He talks about the Deep Underground Neutrino Experiment and what it takes to collaborate with scientists from more than 30 countries to get this experiment up and running.