Defense One Radio, Ep. 173: Testing the Army's new fighting strategy on Ukraine's doorstep - Ukraine's soldiers are losing arms and legs - then returning to war - AP PHOTOS: Ukrainian soldiers who returned to the battlefield after amputation - Wounded, recovered and back to war. Ukrainian soldiers are returning to battle after amputation - Former CIA chief: Ukraine's cutting-edge military tech reshapes modern warfare - Russia's Battlegroup North inflicts up to 50 casualties on Ukrainian army in past day - The digital tool protecting Ukrainian architecture from war - Ukrainian army attacks Russia's Belgorod Region with over 60 munitions in past day