ufo007: - only one thing is glass, where steel is a protection against !!!self!!!-attacks !!! by aircraft !!!!! https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcQOUDRgM5tNCovn8Y0UEUV_hxSb_xBpUwsNhu_zOcIVu6AIfDTV - only one thing -!!! - is - a !!!... glass !!!!!!!!!, ?????? where is the !!!!steel - STEEL!!! - is the!!! protection against /self!!!/-attacks !!! by aircraft !!!!! - NOT! it was NEVER!!! NO! "planes" !!!!