This volume presents a selection of papers from the 13thInternational Conference on Military Geosciences (ICMG), held 24-28 June 2019 in Padua, Italy. It covers a wide range of subjects within the confines of military geoscience written by scientists with a variety of different backgrounds from many countries throughout the world. Many of the papers focus on subjects related to Italy and World War I, but additional subject areas include international perspectives in the military geosciences, international security, geospatial intelligence and remote sensing, subterranean and underground...