James Palmer of the UK's Atomic Weapons Establishment joins the ACW trio to talk about the importance of 3D modelling and data visualization, including recreations of North Korea's Punggye-ri nuclear test site and virtual reality training simulations. Links of Note, Courtesy of James Palmer: Enhanced briefings for a CTBTO On-site Inspection SnT2017  (Palmer and Stevanović). How to put technical data into an enhanced briefing (Palmer and Stevanović). Posters with example images (click ‘Download Poster’ on page): https://ctnw.ctbto.org/DMZ/abstract/21428 https://ctnw.ctbto.org/DMZ/abstract/20088 Presenting work on the DPRK test site destruction event SnT2019 (Palmer and Selby). Comparative talk for test site, showing 3D visualisation capability at SnT2015 (Pabian), from 3 minutes 20 seconds in. Software discussed during podcast. GeoVisionary: https://www.virtalis.com/products/geovisionary/ Cesium: https://cesium.com/ Support us over at Patreon.com/acwpodcast!