Road trip to Vegas. As part of an NGO transparency visit, NNSA opened up the Nevada Test Site to a group of international nuclear weapons experts, including one Dr. Jeffrey Lewis. Jeffrey goes through what he saw: P Tunnel, The BEEF, and the crown jewel, U1a. This was an NNSA exercise in transparency, aimed at showing the community and world that the U.S. stockpile stewardship and treaty verification exercises are separate from nuclear explosive tests. It was also, and we cannot underline this enough, extremely cool. Support us over at !