INTRODUCING LEONIDAS EXPEDITIONARY. Epirus, 23 сент. 2024 г. Introducing Leonidas Expeditionary, high-power microwave (HPM) for austere conditions and forward deployment. Developed in partnership with ONR, JCO & USMC, Epirus’ latest HPM system will support the Marines’ Expeditionary Advanced Base Operations (EABO) and counter-unmanned systems missions.