Exothermic Exercise Army Green Berets train using advanced explosive and exothermic breaching techniques in Idaho Falls, Idaho, May, 2021. Green Berets are trained to breach multiple types of surfaces, walls or entryways in austere environments. SHARE: Download: Full Size (0.62 MB) Tags: Army, Green Berets Credit: Army Pfc. Caleb Woodburn VIRIN: 210520-A-AB123-2002F.JPG Photo Gallery