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 IMAGE: Download Image: Full Size (0.62 MB) Tags: Army, Green Berets Photo By: Army Pfc. Caleb Woodburn VIRIN: 210520-A-AB123-2002F.JPG Photo Gallery