Interdict 11. SAN GREGORIO TRAINING AREA, Zaragoza, Spain -- A Spanish robot approaches an improvised explosive device… https://www.rawpixel.com/image/4043230/photo-image-wall-city-buildingFree Image from public domain licenseHouse and trees atop a hill in the rural countryside of Bausen. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3290670/free-photo-image-alone-bausen-bleakFree Image from public domain license